R421089 | Genuine Paccar® Curved Windshield Seal

SKU: R421089 MPN: R421089

Reliable sealing from the Genuine Curved Windshield Seal. Brand: Paccar®. Part Number: R421089. Condition: New. High-quality rubber, designed for 2-piece curved windshields. Compatible with: Kenworth T600, T800 and Peterbilt 330–379.

$199.00
No Core Charge
3 in stock

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Product Description

Product Name: Curved Windshield Seal Product Name: Curved Windshield Seal
Condition: New Condition: New
Brand: Paccar® Brand: Paccar®
Part Number: R421089 Part Number: R421089
Cross Reference Part Number: R42-1089 Cross Reference Part Number: R42-1089
Type: Windshield Seal Type: Windshield Seal
Vehicle Compatibility:
Kenworth T600, T800 Kenworth T600, T800
Peterbilt 330, 335, 337, 340, 348, 357, 359, 365, 367, 378, 379 Peterbilt 330, 335, 337, 340, 348, 357, 359, 365, 367, 378, 379
Specifications:
Dimensions: 32 x 22 x 23 in Dimensions: 32 x 22 x 23 in
Material: Rubber Material: Rubber
Color: Black Color: Black
Quality: High Quality: High
Function: Airtight, leak-proof seal Function: Airtight, leak-proof seal
Fitment: Curved 2-piece Fitment: Curved 2-piece
Finish: Molded fit Finish: Molded fit

Useful Information

Description and Purpose:

Genuine Windshield Seal – Curved 2-Piece by Paccar®. Part number: R421089. Condition: New. Designed for Kenworth T600, T800 and Peterbilt 330–379 series, this molded black rubber seal ensures air-tight and leak-proof fitment. Ideal for maintaining structural stability and weather resistance in commercial truck applications.

Why Replacement is Important:

Failing windshield seals lead to water leaks, rust formation, and impaired insulation. Replacement is essential to avoid costly interior repairs and discomfort.

Impact on Vehicle Performance:

By securing windshield glass, this seal enhances cab safety, protects electronics, and minimizes road noise and moisture ingress.

Manufacturer Information:

Paccar® develops specialized weatherproofing systems engineered for long-term performance in rugged fleet environments.

Tags & Category: Windshield Seal, Automotive Seal, Weatherstrip, Rubber Seal, Glass Seal, Curved Windshield Seal, Windshield Molding, Windshield Installation, Weatherproofing, Sealing, Glass Retention

Warranty:

Parts Finder Q offers a 365-days warranty for all types of parts in any condition. The warranty applies exclusively to purchases made directly through our website (partsfinderq.com). Please note that purchases made through third-party platforms like eBay or Amazon are not covered by this warranty.

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  • Icon Truck, Fast Delivery
    Free shipping over $199 Place an order today and receive it on Mar 6
  • Clock Icon
    Orders placed before 7-PM EST will ship same business day
  • Location icon, warehouse pickup point.
    Pickup available usually ready in 24 hours
  • Need it fast? We offer overnight shipping

    Contact us to check if overnight next-day delivery is available for your order - PN: R421089