PACCAR Window Switch DIY Rebuild Kit

(Passenger Side, for Driver Side search Obvious Trucks Window Switch and click the Passenger Side version)

Fix the switch — not the whole module. This DIY kit replaces the broken mechanical window switch lever inside the factory door control module on many Kenworth & Peterbilt trucks. Keep your original electronics and restore window function in minutes.

Why this kit

• Installs in under 5 minutes — simple hand tools (install tools included)
• Keep your OEM electronics — replaces the mechanical switch only
• Durable materials — nylon body with alloy/stainless hardware
• Made in the USA — patent pending
• 1-year limited warranty

Compatible with these OEM part numbers
P21-1049-1202; Q27-6081-1203 (also seen as P2110491202; Q2760811203)

Compatibility (2013–2025)
Kenworth: T680, T880, T800, W990, T180, T280, T380, T480
Peterbilt: 579, 589, 567, 520, 548, 537, 536, 535
Note: Fits passenger window switch in either door. 

What’s in the box
• Mechanical window switch rebuild assembly
• Install tools
• Quick-start instructions

Install notes
• This kit does not replace or repair the electronic module. Your module must be in working condition.
• Typical install time is under 5 minutes per switch position.

Warranty
Backed by a 1-year limited warranty. See insert for terms.

Important
Obvious Trucks replacement part. Not manufactured by or affiliated with Peterbilt, Kenworth, or PACCAR. Part numbers are used for identification and compatibility only.