Real-world 2026 field data on diesel fuel injector failure patterns, hidden failure modes, and OEM vs aftermarket cost comparison for repair shops and fleet operators.
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⚠️ Verify Isuzu engine model, serial number, and existing water pump part number before purchasing. Contact us if unsure — we are happy to confirm fitment for your application.
Fuel Parts Depot
⚠️ Verify Isuzu engine model, serial number, and existing water pump part number before purchasing. Contact us if unsure — we are happy to confirm fitment for your application.
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We offer 12-month warranty against defects in materials or workmanship.
All parts listed on Fuel Parts Depot are aftermarket replacement parts manufactured by independent suppliers. They are not genuine OEM (Original Equipment Manufacturer) parts and are not made by, affiliated with, or endorsed by the original equipment manufacturers, including but not limited to Perkins, Isuzu, Kubota, Yanmar, Caterpillar (CAT), Cummins, JCB, or any other brand referenced on this site. Brand names and model references are used solely for compatibility identification purposes. Our aftermarket parts are designed and tested to meet or exceed OEM specifications.
Vendor: Fuel Parts Depot
Water Pump Assembly 6151-61-1121 6151-61-1101 6151-61-1102 for Komatsu PC300-3 PC400-5 D60-11 S6D125 Engine
Vendor: Fuel Parts Depot
Water Pump 154-1816 1541816 CA1541816 for Caterpillar 302.5 303.5 Mini Excavator 216 216B 232B 242B 247B Skid Steer 3013 3014 3024C 3034 Engine
Vendor: Fuel Parts Depot
Water Pump 117-5033 1175033 for Caterpillar CAT D3C D3G D4C D4G D5C D5G Dozer Crawler 3046 Engine
Vendor: Fuel Parts Depot
Water Pump 65.06500-6148 65065006148 400921-00016 for Doosan Daewoo P158LE P180LE P222LE Engine
Vendor: Fuel Parts Depot
Coolant Water Pump 04138560 04137490 04137233 04135550 04134280 04132077 04138700 for Deutz D2.9L4 TD2.9L4 TCD2.9L4
| Year | Make | Model | Engine |
|---|---|---|---|
| — | Isuzu | Hitachi excavators / Isuzu trucks and forklifts / construction and industrial equipment with Isuzu 4BG1 / 6BG1 / 6BD1 engine (verify model and S/N) | Isuzu 4BG1 / 4BG1-TRG / 4BG1-TCG series (TCG01–05) — 6BB1 — 6BG1 / 6BG1-TRA series (TRA01/02/07/12/13) — 6BD1 |
Real-world 2026 field data on diesel fuel injector failure patterns, hidden failure modes, and OEM vs aftermarket cost comparison for repair shops and fleet operators.
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