Detroit Diesel DD15 High-Pressure Fuel Pump | Bosch 0986437504 Remanufactured (Detroit A4700900750)
This is the Bosch 0986437504, a common-rail high-pressure fuel pump remanufactured by Bosch for the Detroit Diesel DD15. It replaces Detroit and Mercedes numbers A4700900750, A4700901550 and A4700900050, and it takes the place of the new Bosch pumps 0445020249, 0445020250, 0445020198, 0445020199 and 0445020138. A refundable core applies.
Low rail pressure codes, long crank times, a loss of power under load and fuel leaking from the pump are the usual reasons this pump is replaced. Check the fuel filters, the low-pressure supply and the pressure limiting valve before you condemn the pump. Order by the Detroit A number or the Bosch number on your old pump.
Confirm Fitment Before You Order
The Detroit DD engines have used more than one high-pressure pump number. Send us the engine serial number and the Detroit A number or Bosch 0445020 number on your old pump and we will confirm this is the match. Call 530-668-0818 and we will confirm the exact match at no charge before anything ships.
Specifications
| Part number | 0986437504 |
| Brand | Bosch |
| Condition | Remanufactured |
| Warranty | Bosch limited warranty on remanufactured units, parts only. Call us and we handle the claim. |
| Type | Bosch common-rail high-pressure fuel pump |
| Engine | Detroit Diesel DD15 |
| Detroit numbers | A4700900750, A4700901550, A4700900050 |
| New Bosch numbers it replaces | 0445020249, 0445020250, 0445020198, 0445020199, 0445020138 |
| Remanufactured by | Bosch |
| Core charge | Refundable in full when we receive your rebuildable core |
| Shipping weight | 38 lb |
Fits / Applications
- Detroit Diesel DD15 engines that carry high-pressure pump A4700900750, A4700901550 or A4700900050
- Engines whose pump is tagged Bosch 0445020249, 0445020250, 0445020198, 0445020199 or 0445020138
Change both fuel filters and prime the low-pressure system, and follow the Detroit workshop procedure for fitting the pump. Keep every open port capped until the lines go back on.
Part Numbers & Cross Reference
Bosch 0986437504 · Bosch new version 0445020249 · Bosch 0445020250 · Bosch 0445020198 · Bosch 0445020199 · Bosch 0445020138 · Detroit Diesel / Mercedes-Benz A4700900750 · Detroit Diesel / Mercedes-Benz A4700901550 · Detroit Diesel / Mercedes-Benz A4700900050
Cross-reference numbers can change with engine serial, build year and emissions tier, so treat this list as a starting point. Send us your engine serial number and we will confirm the exact match against your build before anything ships. That check is free and takes a few minutes.
Frequently Asked Questions
Which engine does the Bosch 0986437504 fit?
The Detroit Diesel DD15 where the original pump is Detroit A4700900750, A4700901550 or A4700900050. For a DD13 or DD16, call 530-668-0818 with the engine serial number first.
What Bosch numbers does it replace?
It is the Bosch remanufactured pump for 0445020249, 0445020250, 0445020198, 0445020199 and 0445020138.
Is it new or remanufactured, and is there a core?
It is remanufactured by Bosch, and a refundable core applies. The new Bosch version is 0445020249.
What do you need to confirm the right pump?
The engine serial number and the Detroit A number or the Bosch number from the tag on your old pump.
Related Parts
- Detroit Diesel DD13 12.8L EPA10 & GHG14 Common-Rail Fuel Injector | Bosch 0986435739 Remanufactured
- Detroit Diesel DD13 12.8L GHG17 Common-Rail Fuel Injector | Bosch 0986435741 Remanufactured
- Common Rail Diesel Injector Testing & Rebuild Service
Why Buy From Valley Fuel Injection
We are a diesel fuel-injection and turbocharger shop in Woodland, CA, rebuilding pumps, injectors and turbos on our own benches since 1993, not a drop-ship storefront. When you call, you talk to the people who test these units. We verify fitment against your engine serial, VIN or build date before anything ships, so the right part arrives the first time.
UPS Ground anywhere in the lower 48. A refundable core deposit is added at checkout and refunded in full when we receive your rebuildable core. Questions on fitment? Call 530-668-0818.
Pricing covers the unit itself. Any applicable sales tax and the refundable core charge are additional; shipping is calculated at checkout. Buying tax-exempt? Qualifying diesel repair shops, fleets, farms, and agricultural operations can purchase tax-free. Set up tax-exempt purchasing once and every qualifying order is tax-free going forward.
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