Compare 2025–2026 heavy-duty fleet service-life benchmarks for fuel injectors, injection pumps, filters, starters, water pumps, and engine valves. Learn common failure causes and maintenance steps to help reduce downtime.
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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.
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.
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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
Sea Water Pump 21212799 3812519 for Volvo Penta Engine 4.3L 5.0L 5.7L
Vendor: Fuel Parts Depot
Water Pump 16259-73036 for Kubota Engine D905 D1005 D1105 V1505
Vendor: Fuel Parts Depot
Water Pump 128990-42500 for Yanmar Engine 2YM15 3YM20 3YM30 2GM20C 3GM30
Vendor: Fuel Parts Depot
Raw Water Sea Impeller Pump 21214595 3862485 for Volvo Penta Marine Engine GM 3.0L
Vendor: Fuel Parts Depot
Water Pump 12691-73030 16871-73430 for Kubota D902 D722 Engine DF750 DF752 WG600 WG750 Excavator
| 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 |
Compare 2025–2026 heavy-duty fleet service-life benchmarks for fuel injectors, injection pumps, filters, starters, water pumps, and engine valves. Learn common failure causes and maintenance steps to help reduce downtime.
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P0087 means your fuel rail pressure has dropped below the ECM's commanded target — triggering hard starts, power loss, and rough idle. This guide covers the complete diagnostic sequence from...
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