Description
KN7020X EL740 PULLEY DRIVE COMPRESSOR
PART NUMBER(S):
Fleet Products: KN7020X (Remanufactured) | Replaces OE: Haldex: KN7020, KN7020X, EL7020 | Navistar: R955KN020, 326668C91, 869935C91, 990176C91, 990271C91 | GM: 2034939, 2428605, 2429643, 2460393, 3778133, 3778423, 3781531, 3813192, 3813193, 3813194, 3813914, 3906463, 675175, 724879 | Mack: 226364, 226829, 227275, 227406, 227407, 227421, 227431, 227548, 227738
DESCRIPTION:
Model: EL740 Pulley Drive Compressor
Vehicles: Heavy trucks, semi trucks, 18 wheelers, commercial vehicles
• Compressor type: Two-cylinder air brake compressor
• Mounting: 4-hole base mount
• Drive type: Pulley / belt driven
• Cooling: Air cooled
• Inlet port: Left side
• Outlet port: Left side, flange style
• Cylinders: 2
• Bore x stroke: 2.75 in x 1.50 in
• Rated displacement: 7.4 CFM at 1250 RPM
• Maximum turbo pressure: 35 PSI
• Head and block: Non-rotatable
• Configuration: EL740 pulley drive air brake compressor
Applications: Used in heavy-duty vehicle air brake systems requiring an EL740 pulley drive compressor. Designed to pressurize air for brake actuation in commercial truck and fleet applications using a 4-hole base mount and left-side port configuration. Verify pulley drive, mounting pattern, and port orientation against the original compressor before installation.
CROSS-REFERENCE(S):
KN7020, KN7020X, EL7020, KN7010X, EL7010, KN7000, KN7000X, EL7000, KN85020, EL85020, EL850, 4-HOLE, KN85020N, KN85020T, ZZKN85020X, E-MDKN85020X
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:
✔ Verify 4-hole base mount and pulley drive configuration before installation
✔ Confirm left-side inlet and left-side flange outlet match the OE compressor
✔ Head and block are non-rotatable; confirm port configuration before installation
✔ Inspect belt alignment, pulley condition, and mounting surface before startup
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
