Description
3987602X DF-596 VOLVO AIR BRAKE COMPRESSOR – REMANUFACTURED
PART NUMBER(S):
Fleet Products: 3987602X (Remanufactured) | Replaces OE: Volvo: 3987602, 1628593, 85000064, 8113264, 20429339, 8112584, 8500064
DESCRIPTION:
Model: Bendix DF-596 / DuraFlo 596 / LP4974 Air Brake Compressor
Vehicles: Volvo FH12 (1993–2001), FH16 (1993–1998), FM12, FM16, NH12, FMX and Volvo B12 Bus Chassis 7333 applications
• Compressor Type: Two-cylinder reciprocating air brake compressor
• Model Reference: LP4974
• Model Reference: K000236
• Displacement: 27 CFM @ 1250 RPM
• Bore: 88 mm
• Stroke: 50 mm
• Displacement Volume: 608 cm³
• Water Ports: M16-1.5 STOR
• Discharge Ports: M26-1.5 STOR
• Governor Ports: M12-1.5 STOR
• Cooling: Water-cooled head, air-cooled crankcase
• Drive Type: Gear-driven, flange mount
• Lubrication: Pressure-fed from engine oil system
• Unloading System: Energy Saving System (ESS)
Applications:
Used on Volvo heavy-duty platforms equipped with compatible D-series engine applications requiring a DF-596 / LP4974 air brake compressor. The compressor supplies compressed air for dual-circuit air brake systems and auxiliary air functions and is typically replaced when air output decreases, leakage occurs, or internal compressor wear affects system recharge.
CROSS-REFERENCE(S):
85006064, 5006569X, K000236, K000236000, K000236AT, K000236ATV, K000236ES, K000236RMV, LP4974, LP-4974, LP-4974AT, LP4930, LP.4930, LP.4974, II15698, II15698AT, II15698AT000, II15698ATV, II15698ES, II37214, II37214AT, II37214AT000, II37214ATV, II37214ES, SA1G0102, KSK92F, KSK92FCP, KSK92FP, KSK92RP020, 01.1200.90, 01.R391.122, 79400, 124842, 124843, 124844, 124845, 3097148, 501154
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:
✔ Flush and clean all oil supply and coolant lines before installation to prevent contamination
✔ Verify STOR port thread sizes before connecting fittings
✔ Confirm M16-1.5 water ports, M26-1.5 discharge ports and M12-1.5 governor ports match the application
✔ Prime the oil feed circuit before initial engine start to prevent dry-run damage
✔ Inspect compressor mounting flange and gear-drive interface before installation
✔ Follow Volvo and Bendix torque specifications for flange mounting and port fittings
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
