1. Introduction: Why Model 3 Side Mirrors Matter in the Aftermarket

The Tesla Model 3 has created a large and technically demanding replacement-parts market. As vehicles move from dealer warranty coverage into independent repair networks, distributors need a dependable way to source exterior components that combine appearance, function, and reliable fitment. The electric folding heated side mirror is one of those components. It is visible every time a vehicle is parked, folded, driven, or cleaned, and it supports both driver awareness and the finished appearance of a repaired vehicle.

For B2B buyers, the product is not simply a mirror glass. It is a complete side-mirror solution identified by two OE numbers: 1617899-00-B for the left side and 1617900-00-B for the right side. The product is intended for Tesla Model 3 vehicles from 2021 to 2024, subject to final vehicle and connector verification. The assembly combines a glass mirror element with a plastic housing and incorporates electric folding and heating functions described on the product page.

IDO GROUP Co., Ltd., also known as Nanjing IDO Auto Technology, serves international auto parts stores, Tesla-focused distributors, repair networks, and automotive supermarkets. Its B2B model supports both original factory parts and aftermarket alternatives, allowing buyers to build a product range for different repair budgets. The company also emphasizes stock availability, quick delivery, neutral or customized packaging, and support for low quantity orders when stock is available.

This guide explains how to evaluate the 1617899-00-B 1617900-00-B Electric Folding Heated Side Mirror as a product, as a wholesale SKU, and as part of a wider Chinese Car Parts sourcing strategy. It follows a practical structure: product role, technical functions, fitment, quality, sourcing, installation, logistics, FAQ, and a clear B2B call to action.

2. Product Overview and Confirmed Specifications

Clear product information is the foundation of an effective B2B listing. The buyer must be able to identify the model range, the side of the vehicle, the OE reference, the material, the order quantity, the warranty, and the expected delivery window before requesting a quotation. The following information is based on the product page supplied for this article.

The listing also identifies several commercial advantages: the same size as the original, lower MOQ across more models, fast delivery, free laser marking, and pallet wrapping with film. These details are especially relevant to importers that need to test a new SKU before committing to a production quantity. A buyer can begin with one stock piece for sample evaluation, then move to a larger order when the fitment, packaging, and market response have been confirmed.

For a professional listing, specifications should remain separate from assumptions. Electrical pin count, memory function, blind-spot monitoring, camera integration, connector style, and regional configuration should be confirmed against the vehicle or sample before a bulk order. This protects both the distributor and the end customer from incorrect fitment claims.

3. How Electric Folding and Heated Mirror Functions Support Daily Driving

A side mirror performs several jobs at once. It gives the driver a rearward and lateral view, defines the vehicle’s exterior profile, and helps the driver judge distance when changing lanes or parking. In an electric vehicle, the mirror also contributes to the quiet, technology-focused ownership experience. When the mirror folds electrically and clears moisture through its heating function, the driver can operate the car more confidently in tight spaces and changing weather.

Electric folding for parking and transport

Electric folding allows the mirror to move between a driving position and a folded position through the vehicle’s control system, provided the vehicle configuration supports the supplied assembly. This is useful in narrow parking spaces, shared garages, automated car washes where permitted, and urban streets where mirror-to-mirror contact is a risk. For a repair shop, a replacement mirror that restores the folding function can be more valuable than a basic fixed mirror because it returns the vehicle closer to its intended operating experience.

For distributors, the phrase “electric folding” should be treated as a functional selling point rather than a decorative adjective. It helps separate this product from low-cost mirror shells or manual replacement units. The product page identifies the item as an electric folding heated side mirror, but a final quotation should still confirm whether the buyer needs the left assembly, right assembly, or both, and whether the vehicle has any additional mirror electronics.

Heating for visibility in damp or cold conditions

Heated mirror glass is designed to help reduce moisture and frost on the reflective surface. This matters during rain, winter mornings, coastal humidity, and rapid changes in temperature. A clean reflective surface supports better driver awareness than a mirror covered by droplets or frost. For commercial repair networks, heated function is also a strong reason to recommend a complete replacement assembly when the original housing, glass, or internal heating circuit has been damaged.

It is important not to overstate performance. Heating speed depends on the vehicle’s electrical system, the ambient temperature, the condition of the wiring, and the specific assembly configuration. A responsible B2B product description should explain the function, then recommend connector and vehicle verification. This approach demonstrates expertise and protects the buyer from a mismatch.

Why the combined function improves product value

Folding and heating create a stronger value proposition than a simple mirror replacement. The buyer receives a component intended to restore convenience and visibility, not merely cover an empty mounting position. That supports a higher-quality repair experience and gives a distributor a clear reason to stock the product in a Tesla-specific catalog.

4. Fitment, Left and Right OE Numbers, and Purchasing Accuracy

Fitment is the first question a professional buyer asks. The product family contains two different OE references: 1617899-00-B for the left side and 1617900-00-B for the right side. They should not be treated as interchangeable. A warehouse that mixes the two references can create picking errors, delayed repairs, avoidable returns, and customer dissatisfaction.

Use the side-specific OE reference

In international listings, “left” and “right” should always be defined from the driver’s perspective while sitting in the vehicle, or the seller should state its regional convention clearly. The safest purchase request includes the OE number, the side, the model year, a product photograph, and—when available—the VIN. For an importer buying both sides, list the quantities separately: for example, left 1617899-00-B and right 1617900-00-B. This makes the purchase order easy to check.

Model-year range and refresh awareness

The supplied product page identifies compatibility with Tesla Model 3 vehicles from 2021 to 2024. Because vehicle manufacturers can introduce regional or production revisions, the model-year range should be treated as a starting point rather than the only fitment test. Buyers should compare the existing mirror shape, mounting footprint, connector, harness routing, and required functions. When a vehicle has been modified after a collision or converted between regions, the original VIN and a clear image become more important.

A practical B2B verification workflow

1. Record the vehicle model and production year.
2. Identify left or right side and match the OE reference.
3. Compare the old unit’s connector, mounting points, glass shape, and housing profile.
4. Ask the supplier to confirm stock photographs or a sample when the order is large.
5. Test all required functions after installation before closing the repair job.

This process is simple enough for a small auto parts store and disciplined enough for a regional distributor. It also creates a repeatable internal standard for purchasing teams. Accurate identification is one of the most effective forms of Quality and Value Assurance Car Parts because it prevents cost before the part leaves the warehouse.

5. Glass and Plastic Construction: What Distributors Should Evaluate

The product page lists glass and plastic as the primary materials. These materials perform different jobs. The glass element provides the reflective viewing surface, while the plastic housing and support structure protect the mirror mechanism, guide the assembly into position, and maintain the exterior shape. A buyer evaluating Chinese Car Parts should therefore look beyond appearance and ask how the material combination supports fitment, handling, and service life.

Mirror glass quality

Mirror glass should provide a clear, stable reflection without visible distortion across the normal viewing area. During sample inspection, compare the replacement with the original for curvature, edge finish, mounting method, and reflective consistency. Small differences can affect a driver’s perception of distance and may create complaints even if the housing fits. Packaging is equally important: glass needs protection from point impacts, vibration, and compression during warehouse handling and international transport.

Plastic housing quality

The plastic housing has to balance shape accuracy with resistance to ordinary service stress. A side mirror is exposed to wind, rain, dust, temperature changes, parking impacts, and repeated folding. For B2B buyers, useful inspection points include surface finish, seam quality, mounting tabs, screw bosses, paint or coating consistency where applicable, and the alignment of the glass carrier inside the shell.

Because the listing states OEM standard size, the buyer should confirm that the replacement follows the original envelope and mounting dimensions. This does not mean every internal component is identical to a dealer part. It means the supplier should provide a product that fits the intended vehicle application and supports the functions requested in the order.

Handling and packaging implications

Glass and plastic require different protective measures. A well-prepared export package should immobilize the mirror, protect the glass surface, separate the unit from hard carton edges, and prevent the folding mechanism from being forced during transit. The product page indicates that neutral, Perfectrail, or customized packaging is available, with pallet and protective film options. Distributors should select packaging according to order volume, shipping mode, and the handling standards of the destination warehouse.

These practical details turn a material statement into a measurable procurement conversation. They also give the seller useful content for product images: close-ups of the glass, rear housing, connector area, mounting points, packaging, and label. Visual SEO becomes more credible when images show real product evidence rather than generic vehicle photography.

6. Quality and Value Assurance Car Parts from IDO Group

Quality and Value Assurance Car Parts should be understood as a complete business promise. It includes product consistency, correct identification, transparent specifications, controlled inspection, suitable packaging, responsive after-sales service, and delivery that matches the buyer’s plan. The lowest unit price cannot compensate for incorrect fitment, breakage in transit, or an unclear complaint process.

Inspection before shipment

IDO Group states that it conducts strict inspection during production and careful checks before shipment. For a side mirror assembly, a practical inspection checklist can include left/right label accuracy, OE reference, housing appearance, glass condition, mounting points, folding movement where applicable, heating circuit continuity where applicable, and package integrity. Buyers should request the inspection scope that matches their application and order size.

Fitment and value assurance

The product page identifies the same size as the original and OEM-quality direct fitment as advantages. In a B2B setting, this is valuable because labor time is part of the customer’s total cost. A product that installs without unnecessary modification reduces workshop time and makes the distributor’s quotation more competitive. It also reduces the risk that a repair shop will blame the supplier for a problem caused by a mismatch.

Warranty and complaint handling

A 12-month warranty gives the buyer a defined period for quality support. The product page explains that quality complaints are reviewed within 24 hours, with retesting of the same stock item and corresponding compensation when a quality issue is confirmed. For importers, the most efficient complaint file includes the order reference, OE number, side, installation date, photos or video, vehicle details, and a description of the failed function. This makes technical review faster and protects both parties.

7. Original and Aftermarket Sourcing for B2B Buyers

Different customers have different repair budgets, insurance requirements, and expectations about branding. A strong B2B supplier therefore needs more than one commercial route. IDO GROUP Co., Ltd. can support buyers looking for original auto spare parts as well as buyers who need cost-effective aftermarket options. The right choice depends on the repair channel, not simply on the lowest purchase price.

When original parts are the preferred choice

Original parts are often selected by dealership-linked repair centers, insurance-approved workshops, premium vehicle owners, or buyers whose policy requires factory-branded components. In these cases, the purchasing team may prioritize packaging, traceability, brand presentation, and direct equivalence with the removed part. The seller should still verify the correct OE number and side because “original” does not remove the need for fitment control.

When an aftermarket solution creates value

High-quality aftermarket parts are valuable for independent workshops, used-vehicle repair, fleet maintenance, retail distributors, and price-sensitive markets. The goal is not to present a generic part as an original part. The goal is to offer a clearly identified alternative with reliable dimensions, appropriate materials, consistent function, and a price that allows the distributor and repair shop to earn a sustainable margin.

For the 1617899-00-B and 1617900-00-B side mirrors, an aftermarket program can help a distributor serve more customers because it allows flexible stock planning. A warehouse can carry left and right units in neutral or branded packaging, provide samples to local installers, and use a mixed order to test demand before placing a production order. The product page indicates that one piece is acceptable when stock is available, while production orders generally begin at 50 pieces. This is useful for a staged market-entry model.

A practical assortment strategy

A Tesla-focused distributor can organize the assortment into three layers. The first layer is fast-moving replacement units for common Model 3 applications. The second layer is complementary exterior parts, such as door hinges, bumper brackets, lamps, and body components. The third layer is special-order or low-frequency parts that can be sourced after the customer confirms the OE number. This structure helps the buyer protect working capital while still presenting a broad catalog.

Product pages should link logically within this assortment. The side-mirror page can link to the Tesla parts category, the contact page, and related body components. Those pages can link back to the side-mirror product when a buyer is comparing exterior repair options. Internal linking should use descriptive anchor text such as “Tesla Model 3 electric folding heated side mirror” rather than repeated generic text such as “click here.”

Questions a distributor should ask before buying

• Is the order for the left OE reference, the right OE reference, or a mixed quantity?
• Is the customer replacing a complete mirror or only a glass, shell, or internal component?
• Does the vehicle require additional electronic functions not listed on the product page?
• Will the order use neutral, Perfectrail, or customized packaging?
• Does the buyer need a sample, laser marking, pallet wrapping, or a production schedule?

These questions convert a product inquiry into a qualified B2B order. They also create a better customer experience because the seller is helping the buyer avoid a wrong purchase rather than simply sending a price.

8. Professional Installation, Testing, and Maintenance

Installation should be performed by a qualified technician familiar with Tesla body panels, trim clips, electrical connectors, and low-voltage vehicle systems. The exact procedure can vary with vehicle configuration and repair history. The following workflow is a professional planning guide, not a substitute for the vehicle manufacturer’s service information.

Before removing the old mirror

Confirm the customer’s complaint. Is the mirror glass damaged? Does the folding movement fail? Is the heating function unavailable? Is the housing cracked, loose, or misaligned? Photograph the existing assembly and compare its connector and mounting area with the replacement. Record the vehicle’s OE reference, side, and any visible wiring differences. This preliminary check prevents a technician from installing a visually similar but functionally unsuitable part.

Safe access and removal

Protect the door and surrounding paint with suitable coverings. Remove the required interior trim carefully so that clips and fasteners can be reused or replaced. Disconnect the vehicle’s low-voltage supply according to the applicable service procedure before unplugging electrical components. Never pull a connector by its wires. Release the locking tab and inspect the terminals for corrosion, bent pins, water, or previous repair work.

Installing the replacement assembly

Position the new mirror without forcing the mounting studs or connector. Check that the housing sits evenly against the door and that the mounting points are aligned. Tighten fasteners evenly and follow the vehicle or workshop torque specification. Avoid overtightening plastic components. Route the harness so it cannot be pinched by the trim, regulator, or door movement. Reconnect the connector until the lock is fully engaged.

Functional testing

After installation, test the mirror in a controlled sequence. Check the glass position, electric folding movement, heating response, and any additional functions that the vehicle is equipped to support. Inspect the mirror from the outside while folding it to ensure that there is no abnormal resistance or interference. Confirm that the housing remains secure and that the door opens and closes normally. If a function does not work, do not assume the new part is defective; verify the connector, fuse, vehicle setting, low-voltage condition, and original vehicle wiring.

Maintenance advice for end customers

Recommend gentle cleaning of the glass and housing with products suitable for automotive exterior surfaces. Do not apply excessive force to the mirror when it is folded or frozen. Remove ice carefully rather than forcing the electric motor. After a collision or strong impact, inspect the mounting area and wiring even if the housing appears intact. A damaged mounting point can produce vibration, wind noise, or future water entry.

For distributors, installation guidance can become a useful after-sales asset. A short illustrated instruction sheet, a QR code linking to a technical page, and a checklist for left/right verification can reduce avoidable returns. This is a practical expression of Quality and Value Assurance Car Parts because value continues after the carton is delivered.

9. Inventory, Packaging, Delivery, and Wholesale Planning

In B2B automotive parts, availability is part of the product. A repair shop may have a vehicle waiting in the bay, and a distributor may have a customer order that cannot be completed until the mirror arrives. IDO Group’s product page identifies stock support, a one-piece MOQ for available inventory, a production MOQ of 50 pieces, and a delivery range of 7 to 25 days. Buyers can use this information to design a replenishment plan rather than treat each order as an isolated transaction.

Stock planning for left and right references

Left and right mirrors should be managed as separate SKUs even when they share a product family. Use separate warehouse labels, separate purchase-order lines, and separate sales records. If the local accident pattern or fleet mix creates a higher demand for one side, adjust the replenishment ratio based on actual sales rather than assuming a perfect one-to-one split. When starting without historical data, a balanced test order is easier to manage and can be revised after the first sales cycle.

Packaging selection

Neutral packaging is useful for distributors that sell under their own brand or want a flexible retail presentation. Perfectrail packaging can support brand recognition, while customized packaging may help a larger importer build a consistent product family. Ask about carton dimensions, pallet configuration, protective film, carton markings, and label content before the order is packed. These details affect warehouse receiving, barcode management, and transport risk.

Delivery and order coordination

The published 7-25 day delivery range should be confirmed against stock status, quantity, destination, packaging requirements, and shipping method. Stock items may move faster than production orders. A buyer with an urgent repair requirement should ask for a current stock confirmation and a dispatch estimate. A buyer planning a container or pallet shipment should coordinate carton count, packing list information, and loading protection in advance.

Reducing landed-cost surprises

Product price is only one part of the landed cost. The buyer should also consider packaging, freight, insurance, import clearance, local delivery, storage, handling, warranty reserves, and the cost of a possible return. A supplier that provides clear product identification and stable packaging can reduce hidden operational costs. When comparing suppliers, calculate cost per successfully installed unit rather than unit price alone.

A B2B quotation request template

To receive an accurate quotation, send the supplier the following information: left or right OE number; quantity; vehicle model and year; original or aftermarket preference; packaging preference; destination country and city; requested shipping method; target delivery date; and whether a sample is required. If you are unsure about fitment, attach a VIN or clear images of the existing mirror and connector. A complete request helps the seller respond quickly and reduces repeated questions.

IDO Group’s broader positioning is built around reasonable pricing, stable quality, on-time delivery, and after-sales communication. This is relevant to importers that need a supplier capable of supporting repeated orders across Tesla and domestic Chinese vehicle parts. The side mirror can be the starting point for a wider sourcing relationship, but every additional product should be confirmed by its own OE number and application.

10. Frequently Asked Questions for B2B Buyers

11. Request a B2B Quote from IDO Group

Build a dependable Tesla Model 3 parts program with original and aftermarket options, practical MOQ support, protective packaging, and a delivery plan aligned with your market.

View the product and request a quotation

IDO GROUP Co., Ltd. | Nanjing, Jiangsu, China | Chinese Car Parts for global B2B buyers