1. Car & Truck Body Moldings Trims Offered
  2. sku: 13053849998721741
  3. AUDI 8K5853345B

AUDI 8K5853345B Rear Left Quarter Window Glass Molding

fits model: A4. make: Audi. year: 2009–2012.

8k5853345b Audi 2009-2012 A4 - Rear Left Quarter Window Glass Trim / Molding

( Manufacturer Part Number: 8K5853345B ), ( Part Type: Quarter Window Molding ), ( Color: Silver ), ( Manufacturer Warranty: 30 Day ), ( Tested: Tested, Cleaned And Inspected ), ( Placement On Vehicle: Rear, Left ), ( Fitment Type: Direct Replacement )

Review AUDI Rear Left Quarter Window Glass Trim Molding fits A4 2009–2012

The **Audi 8K5853345B rear left quarter window glass molding** for the **2009 2012 Audi A4 (B7 facelift)** is a precision-engineered, high-quality replacement trim piece designed to restore both the aesthetic and structural integrity of your vehicle s rear left quarter panel. Crafted from durable, flexible **polyurethane or high-density ABS plastic**, this molding is engineered to match the original Audi specifications, ensuring a seamless fit with the window frame, door panel, and surrounding bodywork. The molding features a **smooth, contoured profile** with subtle, factory-style grooves and a slightly textured surface to prevent slipping, while its **reinforced edges** provide added rigidity to maintain proper alignment with the window glass and door seal. This component is essential for maintaining the vehicle s sleek, aerodynamic lines, as it bridges the gap between the glass and the body panel, preventing drafts, water intrusion, and premature wear on the weatherstripping. Whether replacing a damaged molding due to an accident, wear and tear, or a custom restoration project, this **OEM-compatible part** guarantees a professional finish that aligns perfectly with Audi s signature design language. Built to withstand environmental exposure, including UV rays, moisture, and temperature fluctuations, it ensures long-lasting performance while preserving the car s resale value and curb appeal. Ideal for both professional installers and DIY enthusiasts, this molding is a straightforward yet critical upgrade for any Audi A4 owner seeking to maintain or enhance their vehicle s premium appearance.

### **Pros and Cons of Buying a Replacement Rear Left Quarter Window Glass Molding for a 2009-2012 Audi A4 (Part #: 8K5853345B)**

#### **Pros:**

1. **Improved Aesthetics** A cracked or damaged molding detracts from the car s appearance. A new molding restores the factory look, ensuring a clean, seamless finish.

2. **Prevents Further Damage** If the molding is cracked or peeling, moisture can seep into the window frame, leading to rust or electrical issues (e.g., window regulator problems). Replacing it early prevents costly repairs.

3. **Better Weather Sealing** The molding helps block wind, rain, and debris from entering the window track, improving comfort and reducing wear on the window mechanism.

4. **Easier Installation** Since this is a standard OEM part, it fits perfectly without modifications, ensuring a professional look and function.

5. **Long-Term Cost Savings** Addressing a small issue now avoids more expensive repairs later, such as replacing a window regulator or frame due to corrosion.

6. **Increased Resale Value** A well-maintained Audi with intact moldings holds its value better than one with visible wear or damage.

7. **DIY-Friendly (If Skilled)** While installation requires precision, many owners with basic mechanical skills can replace it themselves, saving labor costs.

#### **Cons:**

1. **Cost** OEM parts can be expensive, especially for Audi. Aftermarket alternatives may be cheaper but could lack quality or fit perfectly.

2. **Installation Difficulty** Removing the old molding and securing the new one requires patience and care. Improper installation can lead to gaps, misalignment, or premature failure.

3. **Time-Consuming** The process involves disassembling parts of the door trim, which can take several hours, especially for first-time installers.

4. **Potential for Counterfeit Parts** If purchasing from an untrusted seller, there s a risk of receiving a low-quality or fake part that doesn t fit or lasts.

5. **Additional Wear Exposure** If the window regulator or frame is already worn, replacing just the molding may not fully resolve issues like sticky or slow windows.

6. **Paint Matching Challenges** If the molding is painted to match the door, ensuring an exact match can be difficult, especially for older cars where paint may fade.

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### **Conclusion**

Replacing a damaged rear left quarter window glass molding on a 2009-2012 Audi A4 is a **practical and preventative maintenance step** that enhances appearance, protects the window mechanism, and maintains the car s integrity. While the upfront cost and effort are considerations, the long-term benefits such as avoiding rust, electrical issues, and reduced resale depreciation make it a worthwhile investment for most owners.

If the molding is **minorly damaged** (e.g., small cracks without peeling), it may be worth repairing with adhesive or filler before full replacement. However, if it s **severely cracked, peeling, or missing entirely**, replacement is the best solution.

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### **Recommendation**

1. **Source the Part Carefully** Purchase the **OEM Audi part (8K5853345B)** from a reputable supplier (e.g., Audi dealership, RockAuto, or a trusted online retailer). Avoid cheap aftermarket alternatives unless they come with a strong warranty.

2. **Consider Professional Installation** If you re not confident in your DIY skills, have a trusted mechanic or Audi specialist install it to ensure a perfect fit and seal.

3. **Inspect Related Components** While replacing the molding, check the **window regulator, frame, and seals** for wear. Address any issues to prevent future problems.

4. **DIY If Comfortable** If you re experienced with car repairs, follow a **detailed guide** (e.g., from Haynes or Audi-specific resources) and take your time to avoid mistakes.

5. **Maintain the Molding** Use **rubber conditioner** periodically to keep it flexible and prevent cracking. Clean it gently with mild soap and water to avoid damage.

**Final Verdict:** **Worth the investment** if the molding is beyond minor repair. Prioritize quality parts and proper installation to maximize durability and appearance.

Details:

Remember LEFT means the Drivers side of vehicle and RIGHT Passengers in our listings. Part Fitment and Compatibility.

part #: 8k5853345b prices

  • $41.31-$94.04

specifications cartrimmouldings:

  • for models: A4
  • for makes: Audi
  • for years: 2009-2012
  • mpn: 8k5853345b
  • part type: Quarter Window Molding
  • color: Silver
  • manufacturer warranty: 30 Day
  • tested: Tested, Cleaned And Inspected
  • placement on vehicle: Rear, Left
  • fitment type: Direct Replacement

payments cartrimmouldings:

  • credit card: Discover
  • other
  • wallet: Apple-pay

general cartrimmouldings:

  • Car Truck Parts Accessories > Exterior Parts Accessories > Body Moldings Trims
  • condition: Used

offer cartrimmouldings:

  • quantity: 1
  • options: Ship-to-home
  • started: January 31, 2026
  • sold: 0
  • availability: In Stock

seller cartrimmouldings:

  • city: Waverly, Minnesota
  • rating: 99.7%
  • # reviews: 88187

shipping cartrimmouldings:

  • class: Economy, Standard, Expedited, One-day
  • cost: $0.00
  • carrier: USPS, FedEx
  • service: Economy, USPS Ground Advantage, FedEx 2Day One Rate Medium Box, FedEx Standard Overnight
  • transit: 3-6 Days
  • type: Fixed

returns cartrimmouldings:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Buyer
for models: a4, for makes: audi, for years: 2009-2012, part type: quarter window molding, manufacturer warranty: 30 day, tested: tested, cleaned and inspected, placement on vehicle: rear, left, fitment type: direct replacement,
category: auto parts > car truck parts accessories > exterior parts accessories > body moldings trims, color: silver, sku: 13053849998721741,
Audi 8K5853345B Is Similar To:
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5 offers $41.31–$94.04 USD
  • Used. Offer #1 priced at $94.04 + $30.00 shipping estimate = $124.04* total. Audi S4 2010-2012. Vehicle: Audi A4 Model Years: 2009-2016 Part No: .+$30.00 shipping
  • Used. Offer #2 priced at $41.31 + $14.10 shipping estimate = $55.41* total. 2009-2016 Audi A4 S4 REAR LEFT & RIGHT QUARTER WINDOW GLASS TRIM / 8K5853346B.+$14.10 shipping
  • Used. Offer #3 priced at $94.04 + $130.00 shipping estimate = $224.04* total. Volkswagen Audi Porsche Bentley Manufacturer Part Number .+$130.00 shipping
  • Used. Offer #4 priced at $24.47 + $40.79 shipping estimate = $65.26* total. Donor Car: 2008 Audi A4 2000cc Generic Notes on this Part: This part fits to the Nearside (NS) of the car which is the Left side when seated in the car facing forward.+$40.79 shipping
  • Used. Offer #5 priced at $24.47 + $40.79 shipping estimate = $65.26* total. Donor Car: 2010 Audi A4 2000cc.+$40.79 shipping

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