Heavy-Duty Oil Pump for Caterpillar C15 & 3406E Engines

Upgrade your engine’s lubrication system with the 4N8734 Heavy-Duty Oil Pump, specifically engineered for Caterpillar C15 and 3406E engines. This premium-quality replacement pump ensures consistent oil pressure and superior performance under heavy-duty workloads.

Built to OEM specifications, this oil pump is a direct replacement for Caterpillar Part Numbers 4N8734 and 1614113, delivering the reliability and durability you expect from a top-tier aftermarket component.

Whether you’re rebuilding an engine or replacing a worn-out pump, this unit guarantees optimal lubrication to all critical engine components, preventing premature wear and reducing engine temperature. It’s an ideal choice for on-highway trucks, construction equipment, and industrial applications running CAT C15 or 3406E powerplants.

Key Features:

• Direct OEM replacement for CAT part numbers 4N8734 and 1614113

• Compatible with Caterpillar C15 and 3406E engines

• High-volume oil flow for superior engine protection

• Manufactured with heat-treated components for long-lasting performance

• Easy to install – designed for a precise factory fit

• Ideal for overhaul kits or individual replacement

Why Choose This Oil Pump?

• Aftermarket quality you can trust

• Engineered for maximum oil pressure consistency

• Helps reduce friction and improves engine lifespan

• Supported by industry-leading quality control

OE Replacements:

0R9449, 4N8734, 0R9057, 1614113, 161-4113

Applications:

This heavy-duty engine component is built to perform across a wide range of high-demand Caterpillar applications, ensuring optimal durability, efficiency, and performance. Whether you’re operating in construction, mining, power generation, or marine environments, this part is engineered to meet OEM-level quality and reliability.

Compatible Applications Include:

• Earthmoving Compactors: 825C, 825G, 825G II, 825H, 825K, 826C, 826G, 826G II, 826H, 826K, 836G, 836H, 836K

• Generators: SR4, SR4B, XQP500

• Challenger Tractors: MT835, MT845, MT855, MT865, MTC835, MTC845, MTC855, MTC865

• Wheel Loaders: 980G, 980G II, 980H, 986H, 986K, 988G, 988H, 988K, 988K XE

• Petroleum Power Units: C18, CX31, CX31-C15I, CX31-C18I, CX31-P600, CX35-C18I, CX35-P800, TH48-E80, C-15, C15

• Generator Set Engines: C18, C18 GENSET, C9, CG137-08, D450GC, PM3456, POWER SYS, 3406B, 3406C, 3408, 3408B, 3408C, 3456, C13GENSET, C15

• Truck Engines: C15

• Off-Highway Trucks: 770, 770G, 770G OEM, 772, 772G, 772G OEM, 773GC

• Machine Engines: 3408

• Industrial Engines: C18, C18 GEN SE, C18 I6, CG137-08, D450GC, D500GC, D550GC, D600 GC, G3408, 3406B, 3406C, 3406E, 3408, 3408B, 3408C, 3456, C-15, C-16, C-18, C15, C15 I6, C16

• Articulated Dump Trucks: D350E II, D400E II, 735, 735 OEM, 735B, 735C, 740, 740 GC, 740B

• Road Reclaimers: RM-350B, RM-500, RM500B

• Cold Planers: PM-200, PM-201, PM-465, PM620, PM622, PM820, PM822, PM825, PR-450C

• Motor Graders: 24M

• Wheel Dozers: 824C, 824G, 824G II, 824H, 824K, 834B, 834G, 834H, 834K

• Underground Trucks: AD30, AD45, AD45B, AD55

• Pipelayers: PL83, PL87, 583T, 587R, 587T

• Marine Engines: 3408, 3408B, 3408C

• Wheel Tractor-Scrapers: 621B, 621E, 621F, 621G, 623B, 623E, 623F, 623G, 627E, 627F, 627G, 631D, 631E, 631G, 631K, 633D, 633E II, 637D, 637E, 637G, 637K, 651B, 651E, 657, 657B, 657E, 657G

• Expanded Mining Machines: MD6290, 6015, 6015 FS, 6018

• Track-Type Tractors: D8N, D8R, D8R II, D8T, D9T

• Load, Haul, Dump Vehicles: R2900, R2900G, R3000H

Built to withstand the toughest working environments, this component is a trusted solution for a wide range of CAT equipment models. Backed by premium materials and precise manufacturing, it’s the perfect choice for performance and reliability you can count on.