Caterpillar Standard Length Fuel Primer Pump

OEM Fuel Priming Primer Pump – CAT Engines

Part Number: 137-5541

Keep your Caterpillar engine fed and firing with this OEM Fuel Priming Primer Pump, designed to restore proper fuel flow after filter changes, maintenance, or fuel system service. This pump plays a critical role in eliminating air from the fuel system and ensuring consistent fuel delivery for smooth starts and reliable operation.

Built to OEM standards, this primer pump is manufactured using high-quality materials and precision machining for long service life in demanding on-road, off-road, industrial, and heavy-equipment applications. Whether you're working on a truck, loader, grader, or generator, this pump delivers dependable performance you can trust.

Key Features

• OEM-spec replacement fuel priming pump
• Effectively removes air and restores fuel pressure
• Ensures steady, reliable fuel delivery to the engine
• Durable construction for harsh operating environments
• Designed to resist leaks and maintain system integrity

OEM / Cross Reference Part Numbers

• 137-5541
• CA1375541
• 1375541
• 172-6291 / 1726291
• 380151

Fitment

Compatible with a wide range of Caterpillar engines and equipment, including but not limited to:

Engines:
3116, 3126B, 3176C, 3196, 3208, 3304, 3306, 3306B, 3406, 3406B, 3406C, 3406E, 3408, 3408C, 3408E, 3412, 3412C, 3412E, 3456, C7, C9, C9.3, C-9, C10, C11, C12, C15, C18, C27, C32

Equipment:
320C, 330, 769D, 771D, 772B, 773B, 773E, 775B, 775E, 953K, 963, 963B, 963K, 120G, 12G, 12H, 130G, 140G, 140H, 143H, 14G, 14H, 160G, 160H, 16H, 24H, D250GC, D300GC, D330C, D333C, D350GC, D400GC, D450GC, D500GC, D550GC, D600GC, HT400, PM3412

If you don't find what you are looking for here or in any of our other listings feel free to contact us.