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Cat® Water Pump Replacement
CAT SELF-SERVICE OPTIONS (SSO)
Your Cat water pump plays a big role in machine performance by circulating coolant and maintaining engine temperature to help prevent downtime. Is yours ready for replacement? Our Self-Service Options make it easy to do the work yourself. They include a genuine Cat water pump, list of recommended tooling, service instructions and more all in one convenient package.
KNOW WHAT YOU NEED?
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DISCUSS SELF-SERVICE OPTIONS WITH YOUR DEALER
CONTACT YOUR DEALER
Maintenance Tips
Watch for these common repair indicators:
Overheating
Leaking coolant
Coolant (sweet) smell
Steam/coolant vapor during operation
What's In the Cat Water Pump Replacement Self-Service Option?
Recommended Parts
Water pump
Recommended Tooling
Guide studs (see SIS D&A - ex: 428F(LBH))
Repair instructions included
Additional Options
Other coolers/heat exchangers
Thermostat
Coolant lines/hoses
Coolant flush/replacement
Coolant S•O•S℠
Belts
Belt tensioner
Switch and temperature sensor
Compact Track Loaders
239D, 249D, 259D, 279C, 289C, 289D, 299C, 299D
Compact Wheel Loaders
901C, 902, 902C, 903C, 904H, 906, 906H, 906K, 906M, 907H, 907K, 907M, 908, 908H, 908K, 908M, 910, 910F, 910G, 910K, 910M, 914G, 914K, 914M, 916, 918F, 918M, 920K, IT14G
Small Wheel Loaders
924F, 924G, 924H, 924K, 926M, 928F, 928G, 928H, 930G, 930H, 930K, 930M, 936F, 938F, 938G, 938H, 938K, 938M, IT28G, IT38H
Skid Steer Loaders
216, 216B, 226, 226B, 226D, 228, 232, 232B, 232D, 236, 236B, 236D, 242, 242B, 242D, 246B, 246, 246C, 246D, 248, 248B, 252, 252B, 256C, 262, 262B, 262C, 262D, 268B, 272C, 272D
Backhoe Loaders
414E, 415F, 416, 416B, 416C, 416D, 416E, 416F, 420D, 420E, 420F, 422E, 422F, 424B, 424D, 426, 426B, 426C, 426F, 427F, 428, 428B, 428C, 428D, 428E, 428F, 430D, 430E, 430F, 432D, 432E, 432F, 434E, 434F, 436, 436B, 436C, 438, 438B, 438C, 438D, 442D, 442E, 444E, 444F, 446, 446B, 446D, 450E, 450F
Multi-Terrain Loaders
247, 247B, 257, 257B, 257D, 267, 267B, 277, 277B, 277C, 277D, 287B, 287C, 287, 287D, 297C, 297D
Small Dozers
D3G, D3K, D4E, D4G, D4K, D5G, D5K
Mini Hydraulic Excavators
300.9D, 301.4C, 301.5, 301.6, 301.6C, 301.7D, 301.8, 301.8C, 302, 302.2D, 302.4D, 302.5, 302.5C, 302.7D, 303, 303C, 303E, 303.5, 303.5C, 303.5D, 303.5E, 303.6, 304, 304C, 304D, 304E, 304.5, 304.5E, 304.6, 305, 305C, 305D, 305E, 305.5, 305.5D, 305.5E, 306, 306E, 307, 307B, 307C, 307D, 307E, 307.5, 308, 308C, 308D, 308E, 308.5, 309, 310
Telehandlers
TH103, TH210, TH215, TH220B, TH306D, TH330B, TH340B, TH350B, TH3510D, TH355B, TH357D, TH360B, TH408D, TH460B, TH514D, TH560B, TH580B, TL1055D, TL1255D, TL642D, TL943D
Motor Graders
120B, 120G, 120H, 120K, 120M, 140G, 140H, 140K, 140M
Soil Compactors
CS423E, CS433C, CS433E, CS44B, CS533D, CS533E, CS54, CS54B, CS55, CS56B, CS563C, CS563D, CS563E
Dozers
D4H, D5H, D5M, D5N, D6D, D6E, D6H, D6K, D6M, D6N, D6R, D6T
Hydraulic Excavators
313D, 314C, 314D, 314E, 315B, 315C, 315D, 316E, 318D, 320B, 320C, 320D, 320E, 321C, 321D, 322B, 322C, 323D, 324D, 324E, 325B, 325C, 325D, 328D, 329D, 329E, 330B, 330D, 330F
Wheel Loaders
950G, 950H, 950K, 950L, 950M, 962H, 966D, 966E, 966F, 966G, 966H, 966K, 966L, 966M, 970F, 972G, 972H, 972K, 972M
Frequently Asked Questions
What are signs I might need to replace my water pump?
If your Cat equipment is experiencing coolant leaks or frequent overheating, it could be time for a water pump replacement.
How do I inspect a water pump for leakage?
Perform a simple weep hole inspection. You can hold a rag at the weep hole or use a mirror and flashlight to look up into the weep hole. If you see more than a few drips of coolant, pressurize and inspect the system to determine the severity of leak.
NOTE: Always consult your machine's Operation & Maintenance Manual for specific instructions.
Is there anything I can do to extend water pump life?
Using Cat Extended Life Coolant can help you maintain cooling efficiency and reduce repair costs. It offers a 12,000-hour/six-year drain interval with recommended sampling suggested in your Operation & Maintenance Manual. The coolant system extender at mid-life (6,000 hours or three years) helps maintain coolant condition while protecting your machine.
Why should I choose a Cat water pump at replacement time?
Caterpillar manufactures water pumps from high-quality materials to help ensure they last in heavy-use applications. Replacement water pumps match the original specifications, so you won’t notice any difference in your machine’s performance. Cat water pumps also undergo rigorous testing to ensure their quality.
