WIHMCCK Air Brake Compressor Assembly
For PACCAR MX-13 12.9L Diesel Engines
For Kenworth T680 · T880 · W990 · T660 · T800
For Peterbilt 579 · 567 · 587
Replaces 1977704PRX · 1977704 · 1805490 · 1805393Key Features:
• Twin Cylinder Flange Mount
• 85mm Bore × 42mm Stroke · 476CC
• Water Cooled · Engine Oil Lubricated
• 12.5 bar / 181.3 PSI Max Pressure
• Engine Gear Driven · Up to 3000 RPM
• 2-Year Warranty⚠️ FOR PACCAR MX-13 ENGINES ONLY
❌ NOT for Cummins · Detroit Diesel · Single Cylinder Compressors ★ WIHMCCK AUTO PARTS — PREMIUM QUALITY ★
⚠️ CRITICAL — PLEASE READ BEFORE ORDERING
Compatible with PACCAR MX-13 (12.9L) diesel engines ONLY.
❌ NOT compatible with Cummins, Detroit Diesel, or other engine platforms
❌ NOT compatible with single cylinder compressors
⚠️ This is a WABCO Twin-Cylinder Flange Mount compressor. Verify your original compressor mounting configuration before ordering!
Please confirm your engine model and original part number before ordering.
⚡ Heavy Duty Air Brake System ⚡
AIR BRAKE COMPRESSOR PACCAR MX-13 · Twin Cylinder 85mm Bore · 476CC · Water Cooled · Gear Driven
✦ REPLACES 1977704PRX · 1977704 · 1805490 · 1805393 ✦
🔧
Twin Cylinder
Heavy Duty Design 💧
Water Cooled
Engine Oil Lubricated ⚙️
476CC
85mm × 42mm 📦
52 lbs
Industrial Pack
★ KENWORTH T680 · T880 · W990 · PETERBILT 579 · 567 · 587 ★
📦 PRODUCT OVERVIEW The WIHMCCK Air Brake Compressor Assembly is a premium direct OEM replacement WABCO Twin-Cylinder Flange Mount compressor for PACCAR MX-13 (12.9L) diesel engines. This is a twin-cylinder, gear-driven, water-cooled air brake compressor with a 85mm piston bore and 42mm stroke, delivering 476CC swept volume with a maximum operating pressure of 12.5 bar (181.3 PSI). Maximum operating speed is 3000 RPM. Replaces OEM 1977704PRX (PACCAR), 1977704 (PACCAR), 1805490 (PACCAR), 1805393 (PACCAR), 9125181030 (WABCO), and 9125181000 (WABCO). ✓ Restores air brake system ✓ Heavy-duty construction ✓ Built for the long haul
⚠️ COMMON FAILURE SYMPTOMS — FIXED BY THIS PART • Low air pressure warning buzzer / light on dash
• Air compressor not building pressure or building slowly
• Oil leaking from the compressor body or discharge line
• Excessive oil carryover into the air dryer / wet tank
• Air compressor knocking or noisy operation
• Governor cut-out pressure not reached (stuck unloader)
• Discharge line overheating or carbon buildup
✅ VEHICLE FITMENT ⚠️ PACCAR MX-13 ONLY
Compatible with PACCAR MX-13 (12.9L) diesel engines ONLY.
❌ NOT compatible with Cummins, Detroit Diesel, or other engine platforms.
🚛 Kenworth Model Years Engine T6802013-2024PACCAR MX-13 T8802014-2024PACCAR MX-13 W9902019-2024PACCAR MX-13 T6602010-2017PACCAR MX-13 T8002010-2021PACCAR MX-13 🚛 Peterbilt Model Years Engine 5792013-2024PACCAR MX-13 5672014-2024PACCAR MX-13 5872010-2024PACCAR MX-13
📊 COMPLETE SPECIFICATIONS
Product Type Twin-Cylinder Air Brake Compressor Condition 100% Brand New Number of Cylinders 2 (Twin Cylinder) Piston Diameter 85 mm (3.35") Piston Stroke 42 mm (1.65") Swept Volume 476 cc Maximum Operating Pressure 12.5 bar (181.3 PSI) Operating Speed Up to 3000 RPM Cooling Method Water Cooled Lubrication Engine Oil Supplied Drive Type Engine Gear Driven Crankshaft Thread M20 × 1.5 Air Intake Port M30 × 1.5 Air Discharge Port M27 × 2.0 Oil Supply Port M14 × 1.5 Coolant Ports M16 × 1.5 (×3) Unloader Control Port M22 × 1.5 Package Weight 52 lbs (23.6 kg) Warranty 2-Year Warranty
REPLACES OEM & INTERCHANGE PART NUMBERS 1977704PRX | 1977704 | 1805490 Also replaces: 1805393 · 9125181030 · 9125181000 · 1696200 · 1883117 · 2020644 · 2237398 · 24703551 · 1674080 · 1883112 · 1883118 · 2133506 ★ TWIN CYLINDER · 85MM BORE · 476CC · WATER COOLED ★
⚠️ FOR PACCAR MX-13 ENGINES ONLY
📦 WHAT'S IN THE BOX ✅ 1 × WABCO Twin-Cylinder Air Brake Compressor Assembly
Note: Oil supply tube not included — transfer from original compressor core. PACCAR 1682342PE sold separately.
🚚
FAST US SHIPPING
24H Dispatch · 2-4 Days 🛡️
2-YEAR WARRANTY
Worry-Free 🔄
NO CORE CHARGE
30-Day Returns
🔥 ORDER NOW — KEEP ON TRUCKIN' 🔥
Fast US Shipping · 2-Year Warranty · No Core Charge
🔧 INSTALLATION NOTE: Professional installation recommended. ⚠️ FOR PACCAR MX-13 ENGINES ONLY — NOT for Cummins, Detroit Diesel, or other engine platforms. This is a WABCO Twin-Cylinder Flange Mount compressor. Oil supply tube is not included — transfer from original compressor core. Verify all port fittings and mounting configuration match your original compressor before installation. Unsure about compatibility? Send us your engine serial number or VIN before ordering, and our team will verify fitment within 24 hours.
🚛 Aftermarket part · Not OEM · Compatible with PACCAR MX-13 Engines ONLY
❌ NOT compatible with Cummins · Detroit Diesel · Other engine platforms
WIHMCCK AUTO PARTS © 2026 | Walnut, California, USA | Built for the Long Haul
On Sep 11, 2026 at 01:55:56 PDT, seller added the following information:
