1989–1993 5.9L Cummins Injection Pumps & Fuel Supply

Shop injection pumps and fuel-supply components for 1989–1993 5.9L Cummins applications. This collection includes Bosch VE exchange pumps and pump-related parts along with FASS lift-pump and fuel-supply products.

The high-pressure injection system and the low-pressure fuel-supply system perform different jobs but work together. Match pump and supply-system upgrades to the injectors, tuning, intended power level and exact application. Verify the exact model year and, where relevant, whether the truck is intercooled or non-intercooled.

13 products
Industrial Injection 5.9 Cummins VE Pump W/O Intercooler 1989-1990 - Industrial Injection
Industrial Injection 5.9 Cummins VE Pump W/O Intercooler 1989-1990 $1,49995
Industrial Injection 5.9 Cummins Stock VE Pump 1991-1993 (Intercooled Engine) - Industrial Injection
Industrial Injection 5.9 Cummins Stock VE Pump 1991-1993 (Intercooled Engine) $1,49995
1989-1993 5.9 Cummins Performance VE Injection Pump - Industrial Injection
1989-1993 5.9 Cummins Performance VE Injection Pump $1,66995
Cummins Injection Pump Removal Tool 1989-2018 - Industrial Injection
Cummins Injection Pump Removal Tool 1989-2018 - Industrial Injection
Industrial Injection Cummins Injection Pump Removal Tool (1989–2018) $3695
Cummins VE Pump Fuel Pin & Spring - Industrial Injection
Cummins VE Pump Fuel Pin & Spring - Industrial Injection
Cummins VE Pump Fuel Pin & Spring $12195
Ve Pump Fuel Pin - Industrial Injection
Ve Pump Fuel Pin - Industrial Injection
Ve Pump Fuel Pin $11095
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Ve Gov Spring + $1938
FASS Fuel Systems Diesel Fuel Sump Kit - Industrial Injection
FASS Fuel Systems Diesel Fuel Sump Kit $17900
FASS Fuel Systems Particulate Filter (PF3001) - Industrial Injection
FASS Fuel Systems Particulate Filter (PF3001) $2247
FASS Fuel Systems Extreme Water Separator Filter - Industrial Injection
FASS Fuel Systems Extreme Water Separator Filter $3166
FASS Fuel Systems Diesel Fuel 5/8 Suction Tube Kit With Bulkhead Fitting - Industrial Injection
FASS Fuel Systems Diesel Fuel 5/8 Suction Tube Kit With Bulkhead Fitting $9089
FASS 1989-1993 5.9L Cummins Titanium Signature Series - 165gph - Industrial Injection
FASS 1989-1993 5.9L Cummins Titanium Signature Series - 165gph $74400
FASS 1989-1993 5.9L Cummins Titanium Signature Series - 100gph - Industrial Injection
FASS 1989-1993 5.9L Cummins Titanium Signature Series - 100gph $69400

1989–1993 5.9L Cummins Injection & Fuel-System Options

The 1989–1993 5.9L Cummins is the early 12-valve 6BT platform with mechanical Bosch VE fuel injection. Cummins notes that intercooling was introduced during the 1991 model year, so early and later first-generation trucks are not identical.

This collection includes Bosch VE exchange pumps and pump-related parts along with FASS lift-pump and fuel-supply products. The injection pump creates the high pressure required by the engine's injection system, while a lift or supply pump moves fuel from the tank and feeds the high-pressure side. Upgrading one does not replace the function of the other.

Verify the exact model year and, where relevant, whether the truck is intercooled or non-intercooled. For performance combinations, match pump capacity to injector size, tuning and intended power level rather than choosing a pump only by an advertised flow number.

Related Cummins collections: Engines & Engine Parts, Fuel Injectors & Components, Turbochargers & Turbo Parts.

Frequently Asked Questions

What injection pump does a 1989–1993 5.9L Cummins use?

This first-generation 12-valve group uses the Bosch VE mechanical injection system. The collection also includes low-pressure fuel-supply products, so distinguish the injection pump from a lift or supply pump.

Is an injection pump the same thing as a lift pump?

No. The injection pump creates the high fuel pressure required by the injection system. A lift or supply pump moves fuel from the tank and feeds the high-pressure side. Both are important, but they perform different jobs.

How should I choose a stock or performance Cummins fuel pump?

Start with exact year and application, then match pump capacity to the injectors, tuning and intended power level. Verify the exact model year and, where relevant, whether the truck is intercooled or non-intercooled. Do not choose a pump only by an advertised flow or horsepower number.

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