1355459 Pump Gp- Fits Caterpillar Models

One New Aftermarket Replacement High-Pressure Oil Pump (HPOP) for Caterpillar (Cat) 3126 / 3126B / 3126E Engines

This aftermarket replacement high-pressure oil pump (HPOP) services the HEUI (Hydraulic Electronic Unit Injector) fuel injection system on Caterpillar 3126-series 7.2L inline 6-cylinder diesel engines. The HEUI system relies on high-pressure engine oil to actuate the unit fuel injectors, making this pump a critical component of the fuel delivery and engine performance system. Replaces OEM part number 135-5459 (also formatted as 1355459).

Compatible Engines

Caterpillar 3126 Series (1998-2004): 3126, 3126B, 3126E, 3116

Compatible Equipment

Caterpillar Excavators: 322C, 322C FM, 325C, 325C FM, 325C L, M325C MH (Wheeled Excavator)

Caterpillar Wheel Loaders / Tool Carriers: 938G II, 950G II, 962G II, IT38G II (Integrated Tool Carrier), IT62G II (Integrated Tool Carrier)

Caterpillar Track-Type Equipment: D5N (Track-Type Tractor), D6N (Track-Type Tractor), 953C (Track-Type Loader), 963C (Track-Type Loader)

Caterpillar Motor Graders: 120H, 135H

Caterpillar Forest Products: 322C, 570B, 580B

Caterpillar Combines: 460, 465, 470

Caterpillar Other Equipment: 561N (Pipelayer), DEUCE 30/30 (Engineer Support Tractor)

Caterpillar Engines (Industrial / Gen Set / Marine / Truck): 3126 (Engine - Truck), 3126B (Gen Set), 3126B (Marine), 3126E (Industrial), SPP101 (Industrial Engine), C7 (Marine)

Replaces Part Number(s):

135-5459, 1355459

Aftermarket Interchange Numbers

10R-7053, 10R7053, 0R-9439, 0R9439, OR9439, 134-0467, 1340467, 20R-5615, 20R5615, 243-012-0001, 2430120001, 30R-0400, 30R0400, 380145

New aftermarket replacement part - not remanufactured, not used.