Description
85MM VOLVO AIR COMPRESSOR LONG HEAD – WABCO FH12 / FM12 / NH12 / FM9 / VED12
PART NUMBER(S):
Fleet Products: 4123520050X (Remanufactured) | Replaces OE: Volvo: 20382348, 21353460, 85000118, 85006118, 85013203, 85104376, H-39005, 67A249R, 67A028R | WABCO: 4123520300, 4123520307, 412352030, 4123520050, 4123520057 | Reman: 1650742102, 165-074-2102, 1650792102 | Other: 1300020001, 1300-020-001, 1300-020-002
DESCRIPTION:
Model: WABCO 4123520050 / 4123520300 Single-Cylinder Compressor, 85 mm Bore, Long Head
Vehicles: Volvo FH12, FM12, NH12, FM9, VED12 engine applications
• Cylinder bore: 85 mm
• Stroke: 62 mm
• Swept volume: 352 cm³
• Cooling: Water-cooled with water-cooled valve plate
• Mounting: Flange mount, 5-hole
• Maximum operating pressure: 12.5 bar
• Operating speed: 3000 rpm
• Crankshaft thread: M20 x 1.5
• Lubrication: Supplied from engine
• Air inlet port: 34.9–35 mm
• Air outlet port: M26 x 1.5
• Air unloader port: M12 x 1.5
• Water inlet port: M16 x 1.5
• Water outlet port: M16 x 1.5
• Additional ports: M12 x 1.5, M16 x 1.5 (x2)
• Drive type: Gear
Applications: Designed for Volvo FH12, FM12, NH12, and FM9 applications with VED12 engines requiring a WABCO 85 mm long-head single-cylinder compressor. Suitable for heavy-duty truck air brake systems where the listed port configuration, 5-hole flange mount, and gear drive match the OE setup. Verify all Volvo, WABCO, and port specifications before installation.
CROSS-REFERENCE(S):
4123520050X, 4123520050, 4123520057, 4123520300, 4123520307, 412.352.005.0, 412.352.030.0, MD4123520050X, HX4123520050X, 20382348, 21353460, 20569224, 85000118, 85006118, 85012203, 85013202, 85013203, 260044, 503782, 502531, 1497-4123520300, 1300 020 001, 67A028R, 260044OEM, 3217-4123520300, 4123520126 * 4571302115 *
A cross-reference listing means this part may be a suitable replacement for the listed part numbers. Always verify fitment before installation.
IMPORTANT INSTALLATION NOTES:
✔ Confirm engine compatibility with Volvo VED12, FH, FM, and NH series before installation
✔ Prime engine lubrication supply before startup to prevent bearing or cylinder scoring
✔ Verify water inlet and outlet connections are free of obstruction to maintain proper cooling
✔ Match all port threads M26, M16, and M12 to OE hoses and fittings for leak-free operation
SOLD AS REMANUFACTURED | CORE RETURN REQUIRED
Built to OEM standards | thoroughly cleaned, inspected, and tested to ensure durability, performance, and reliability in demanding applications.
Warranty Information
