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Here at The Hungry Diesel we specialize in 1st Gen Cummins performance.

Make sure to check out our true high volume low pressure piston lift pump kit. 

Contact us with any ideas you would like to see!

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1 - 9 of 9 items

SALE - Suncoast/THD 518/46RH conveter

SALE - Suncoast/THD 518/46RH conveter

Limited time only! This is a custom THD/Suncoast converter specifically made for the 1st generation Cummins (89-93) trucks. Brand new cast stator, New billet cover with THD Logo! Suncoast is waiving the core charge! THIS SALE CAN NOT BE USED WITH COUPON CODES. IF IT IS, THE ORDER WILL BE REFUNDED!

  • Price: $675.00

SALE! THD Injection Pump

SALE! THD Injection Pump

THD reseal option. Stipulations: Pump can be benched at stock specs, or maxed out. If maxed out, purchase fuel pin, gov spring, and hot screw separately and add to order. Price is $295 for a re seal, recalibrate. Pump still has 2 year warranty....

  • Price: $295.00

Stainless Steel Braided Fuel Line - 89-93

Stainless Steel Braided Fuel Line - 89-93

Both lines included (photo only shows one). Factory push lock fittings, direct "bolt in" set up. 3/8" supply and 5/16" return. Does not include clamps.

  • Price: $175.00

THD 3" Intercooler upgrade kit - 91.5-93

THD 3" Intercooler upgrade kit - 91.5-93

Full 3" intercooler piping upgrade kit. Cooler egt and more throttle response, allow for a better overall running engine. 


  • Price: $340.00

THD Non Intercooled 3" Cross Over Pipe

THD Non Intercooled 3" Cross Over Pipe

THD Non Intercooled Cross Over. Help your engine breath, and cool down those high egt. Feedback has shown 100 degree egt cooler and 3-4 psi gain on, even on a stock truck.

  • Price: $199.99

THD Fuel Pin

THD Fuel Pin

The Hungry Diesel fuel pin is finally here! Made from 4140 and max hardened. This pin is properly cut, so to give maximum fueling, but not cut too deep to allow slide pin to slip past the O ring. The pin is also cut with a "flat" ramp design, as...

  • Price: $90.00

Low Pressure Piston Lift Pump Kit

Low Pressure Piston Lift Pump Kit

True high volume low pressure piston lift pump. Unlike other low pressure piston lift pumps these have the larger diameter piston, which push about 25% greater volume.

  • Price: $265.00

BHAF Intake Kit 89-93 Cummins

BHAF Intake Kit 89-93 Cummins

1st gen intake kit. Kit utilizes the BHAF air filter, and smooth 4" exhaust tubing. Allow your 1st gen Cummins to breath!

  • Price: $229.99

AFC Line Upgrade Kit - Braided Stainless Steel

AFC Line Upgrade Kit - Braided Stainless Steel

1st gen 89-93 Braided AFC Line Upgrade. Replace that common to break afc line, with a braided line that will never break again. NOTE - PICTURES IS FOR MANUAL TRUCKS. Does not fit 91.5-93 automatic trucks with TPS.

  • Price: $50.00

Return policy

Items returned within 30 days, in good condition and not used, are accepted.
In some cases, a restocking fee will be charged.