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Precision 1966-1977 Ford Bronco Quarter Window Weatherstrip Seal, With Trim Groove for Steel Trim, Left hand WCR DQ1085 T LH

Precision 1966-1977 Ford Bronco Quarter Window Weatherstrip Seal, With Trim Groove for Steel Trim, Left hand WCR DQ1085 T LH
Precision 1966-1977 Ford Bronco Quarter Window Weatherstrip Seal, With Trim Groove for Steel Trim, Left hand WCR DQ1085 T LH
$152.99 ea
NEWARRIVING SOONEstimated Ship Date 12/31/2025 (If Ordered Today)
Model: 3431688
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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Left-hand quarter window weatherstrip designed for 1966–1977 Ford Bronco models. This seal features an integrated trim groove to accept original steel trim, restoring the correct fit and finish while preventing water intrusion, wind noise and dust. Made from durable, weather-resistant rubber, it provides reliable long-term sealing, resists UV and ozone degradation, and simplifies restoration or replacement projects with a near-original profile and secure seating.
Features:
  • Fits 1966–1977 Ford Bronco — left-hand (driver side) quarter window application.
  • Integrated trim groove accepts steel trim for authentic appearance and secure retention.
  • Durable weather-resistant rubber resists UV, ozone and temperature extremes.
  • Restores factory fit to prevent leaks, reduce wind noise and block road dust.
  • Direct-fit replacement for restoration or maintenance — no costly fabrications.
  • Easy to compress and install for a reliable seal and long service life.
Installation / Application:
  • Difficulty: 2/5
  • Estimated time: 45–90 minutes
Suggested Tools:
  • Plastic trim removal tools
  • Flat screwdriver (protected tip)
  • Needle-nose pliers
  • Rubbing alcohol and clean rags
  • Mild soapy water or silicone spray (lubricant)
  • Weatherstrip adhesive (optional)
  • Masking tape
  • Rubber mallet or block (optional)
Instructions:
  1. Remove the interior trim and any old steel trim from the quarter window area. Carefully pull out the old weatherstrip.
  2. Thoroughly clean the channel and flange surfaces with rubbing alcohol to remove dirt, old adhesive and corrosion. Allow to dry.
  3. Test-fit the new seal onto the window/frame to verify orientation (this is the left-hand piece). Confirm the trim groove faces outward to accept the steel trim.
  4. Apply a thin layer of soapy water or silicone spray to the seal bulb and channel to ease installation. Use weatherstrip adhesive only where the factory used adhesive or if the seal tends to move.
  5. Starting at the top corner, press the seal into the channel, working around the opening in short sections. Use a plastic trim tool or protected flat screwdriver to seat the seal fully without cutting or rolling the lip.
  6. Once the seal is fully seated, insert the steel trim into the groove. Tap gently with a rubber mallet or block if needed to seat the trim without damaging the finish.
  7. Secure any clips or fasteners and reinstall interior trim. Close the window and check for proper alignment, full contact of the seal, and absence of gaps.
  8. If adhesive was used, allow recommended cure time before exposing to water. Recheck after a short test drive for any adjustments.
About Precision Replacement Parts

Since 1986 Precision Replacement Parts has been a trusted name in the Automotive Glass Industry.

Our knowledge and experience in manufacturing millions of extruded and molded EPDM Rubber, PVC and HDPE based plastics, and various stamped and extruded metal products for the classic and late model industries has allowed Precision to expand our services into multiple product markets.

Along with our own USA based production facility, Precision also partners with 25 different manufactures worldwide with a reputation as a global leader supplying OEM and replacement products to a number of different industries.  Our partnerships along with our own in-house manufacturing and fabrication capability gives Precision a unique position in helping to meet the expanding needs of customers everywhere, providing them with a sustained competitive advantage.

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years
Ford Bronco 1966 - 1977

Specifications:

Part Type Quarter Glass Seal
Proposition 65 www.P65Warnings.ca.gov
Warranty Lifetime on Defects TX

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Precision 1966-1977 Ford Bronco Quarter Window Weatherstrip Seal, With Trim Groove for Steel Trim, Left hand WCR DQ1085 T LH: