Description
Part Number: 131139
Why replace the roller?
• OEM roller diameter keeps sensor geometry in spec, avoiding out-of-range voltage.
• Phosphate-coated steel resists corrosion in salt and road grime.
• 10-minute swap with basic hand tools; no pedal recalibration required.
Cross-reference & interchange
• Williams Controls: 131139 / 131139KIT
• Volvo Trucks: 3945437
• TRP / PACCAR aftermarket: 131139
Fits these pedal assemblies
• WM526 (10°, 20°, 30° mounting angles) electronic pedals
• Used on most Peterbilt & Kenworth models with PACCAR MX or Cummins ISX engines, plus Volvo VN/VHD series that specify WM526 pedals.
Not sure? Match the WM526 tag on your pedal or call our parts pros at 606-864-9711.
Specifications
OEM Part # | 131139 |
Weight | 0.05 lb (0.02 kg) |
Material | Hardened steel, black-phosphate finish |
VMRS | 044-005-055 |
Fast shipping you can trust
• In stock: orders placed before 3 PM ET ship the same day.
• Free ground freight on orders over $500.
• Backed by our 30-day hassle-free returns.
Need other Williams Air Control parts? Browse the full engine section for sensors, harnesses and complete assemblies.