Description
MACK "CERTIFIED REMANUFACTURED" 85MM DRIVE-THRU AIR BRAKE COMPRESSOR
PART NUMBER(S):
Fleet Products: 9111535400X (Remanufactured) | OE: 303GB5129M, 9111535400, 9111535407, 9111530550, 9111530557, Volvo MID9111535400X, Mack: 303GB5129M, 9111530550X, Volvo MID9111535400X
DESCRIPTION:
Model: SS318
Vehicles: Mack Commercial Trucks, HD Vocational Platforms
• Bore Size: 85MM
• Air Delivery: 18.7 CFM
• Drive Type: Thru-drive (11-tooth gear) for power steering pump, etc
• Cooling: Water and air cooled
• Mounting: Extended flange W/GEAR
• Air Inlet: Integrated housing
• Discharge Port: 1/2"-27 NPT
• Governor Port: 1/2" NPT
• Water Port: 3/8" NPT
• Head Assembly: 9111539312AH
• Includes: Gasket kit for installation
Applications:
Built for Mack heavy-duty trucks requiring thru-drive compressors—commonly used to power accessory drive systems such as fuel transfer pumps, power steering, or hydraulic PTO. Ideal for high-demand service environments and fleet applications where auxiliary equipment is powered from the compressor. Mack (303GB5129M), 9111539550X, Volvo MID9111535400X , 303GB5129M (9111535410X IS A NON-DRIVE THRU), S9111530550 (9111535410X IS A NON-DRIVE THRU), S9111530557 (9111535400X IS A DRIVE THRU )
CROSS-REFERENCE(S):
1650792042, 170.AC535400, 21436SS, 303GB4225T2, 303GB5129, 303GB5129AM, 303GB5129AM2, 303GB5129M, 303GB5129MQ, 5396-9111535400X, 59111530550, 6300-911153055R, 706369AT, 708012000, 745-9111535400X, 767653311456, 8235S9111530550X, 8235S9111530557, 9111530186, 911153055, 9111530550, 9111530550XBXR, 9111530557, 9111530557X, 9111530559, 911153055R, 9111535400, 9111535400-RC, 9111535400C8T, 9111535400HTP, 9111535407, 9111535407X, 9111535410, 9111535550, 9111535550X, 9111539550, 9111539550X, 940580, ATP21436, ATX21436, CW.295.000, GL9111535400, GTS21436, HDX9111535400X, MBI9111535400X, MID9111535400X, MPGS-21436, PS9111535400, S9111530550, S9111530550X, S9111530557, S9111530557X, S9111535400, S9111535407, S9111535410, TDAS9111530557, TF9111535400, VIP9111535400, WAR9111535400, ZZ9111535400X, Volvo MID9111535400, Volvo MID9111535400X
A cross-reference listing means this part should be a suitable replacement for the part numbers listed. Please confirm all dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Confirm extended flange and 11-tooth gear compatibility
✔ Thru-drive must align with downstream accessory configuration
✔ Use included gaskets and replace all external seals
✔ Ensure STOR connections are properly torqued
✔ Verify discharge/governor/water port sizes before install
✔ Match cooling line routing to vehicle spec
SOLD AS REMANUFACTURED – CORE RETURN REQUIRED
Built to OEM standards — thoroughly cleaned, inspected, and tested to ensure durability, performance, and reliability in demanding applications.
WHY CHOOSE Fleet Products | KBR - Heavy Duty Truck & Trailer PARTS?
• Canadian-owned since 1985
• Trusted by fleets, mechanics, and B2B partners across North America
• Fast, Reliable Shipping Across North America
• Competitive pricing with Core Return Refunds
• Price Match Guarantee – Find a better price? We’ll beat the difference by 10%!
Warranty Information
