Delphi Fuel Pump Hanger Assembly P/N:HP10186
Delphi HP10041 fuel pump and sender assembly for the 1985 Chevrolet S10 4-cylinder 1.9L or 2.2L, the 1985-1991 S10 4-cylinder 2.5L or V6 2.8L, the 1988-1991 S10 V6 4.3L and other vehicles holds the fuel pump and fuel level float in the tank. The Delphi fuel pump is designed to operate under extreme temperatures with quick engine starts.
Hard starting, sputtering or a fuel gauge that reads wrong can mean the pump or sender is worn, though a clogged fuel filter or a bad fuel pump relay can produce some of the same signs. Rule those two out first, then replace the assembly if it is the culprit.
The assembly is also a direct-fit replacement for the 1991 GMC Sonoma 4-cylinder 2.5L, V6 2.8L or 4.3L and the 1991 GMC Syclone V6 4.3L. A 1988-1991 Chevrolet S10 V6 4.3L takes one. If your truck is not named here, look up its year and engine in the "Vehicles it fits" section.
One fuel pump and sender assembly with float arm, seal, lock ring and instruction sheet.
Interchange: 692-100
25093914 · FL0230 · 4011196 · 4017098 · 4017100 · 4017220 · 4017221 · E3637S · DHP10041 · P77226S · P77395H · 25093919 · A25011 · A30196 · SP06B1H · SP16C1H · USEP3637S
This part cross-references / interchanges with the following part numbers:
Is this the right Chevy S10 fuel pump for a 1988-1991 S10 V6 4.3L?
Yes. Delphi HP10041 fits the 1988-1991 Chevrolet S10 V6 4.3L, and it also fits the 1985-1991 S10 with the 4-cylinder 2.5L or V6 2.8L.
Does the Delphi HP10041 come with a seal and lock ring?
Yes. The fuel pump and sender assembly comes with the float arm, seal, lock ring and an instruction sheet.
Will the float in this assembly give a correct gas gauge reading?
Empty float height and float retention are set to match OE specifications, which is meant to give a correct gas gauge reading.
How can I tell if this fuel pump and sender assembly is wearing out?
Hard starting, sputtering or a fuel gauge that reads wrong can be signs. A shop can test fuel pressure to confirm.
Do I need to clean the tank before installing this fuel pump and sender assembly?
Yes. Check and clean the fuel tank before installing, and follow the instruction sheet that comes with the Delphi HP10041.
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