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5.9 Engine Parts

55 products
Maximize your engine air flow and take a look at the Glacier Diesel Power Air-Boss intake plenum!
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Glacier Diesel Power | 1998.5-2002 Dodge Ram 5.9L Cummins Air-Boss VP Intake Plenum Glacier Diesel Power | 1998.5-2002 Dodge Ram 5.9L Cummins Air-Boss VP Intake Plenum
$319.99
$319.99
EGT's running too high? Can't use all of the fuel you have available? The Air-Boss VP plenum gives the largest bolt-on flow increase possible short of milling the cast plenum off the head and insta...
Glacier Diesel Power | 1998.5-2007 Dodge Ram 5.9 Cummins Pro-Flo Grid Heater Block Glacier Diesel Power | 1998.5-2007 Dodge Ram 5.9L Cummins Pro-Flo Grid Heater Block
$88.99
$88.99
The Pro-Flo is a solid, billet aluminum riser that replace the restrictive grid heater block on all 1998.5-2007 Cummins 5.9 powered Dodge Rams. When every last CFM of cold air counts the Pro-Flo le...
$7.00 Off
Glacier Diesel Power | Sure Start Inline Universal Grid Heater Flange - 3.5 Inch Glacier Diesel Power | Sure Start Inline Universal Grid Heater Flange - 3.5 Inch
$82.99
$82.99
$89.99
This flange is machined for your 3.50" intercooler piping or inlet piping. This does NOT include any type of heater. CLICK HERE if you're wanting the whole grid heater assembly. NOTES:  *Does NOT S...
$100.95 Off
ARP | 1998.5-2023 Dodge Ram 5.9 / 6.7 Cummins 625+ Head Stud Kit
$1,299.00
$1,299.00
$1,399.95
ARP has provided an extra measure of security in the form of extra-strong head studs manufactured from the firm's proprietary Custom Age 625+ material that has a minimum rating of 260,000 psi tensi...
Fleece | 1998.5-2007 / 2013-2018 Dodge Ram 5.9 / 6.7 Cummins Replacement Thermostat Housing With Auxiliary Port
$129.99
$129.99
The Fleece Performance replacement thermostat housing with auxiliary port is a direct replacement part for model years 1998.5-2007 RAM with 5.9L Cummins and 2013-2018 RAM with 6.7L Cummins.  The ...
Glacier Diesel Power | Sure Start Inline Universal Grid Heater Glacier Diesel Power | Sure Start Inline Universal Grid Heater
$558.99
$558.99
Do you have a hard starting diesel? We've got the answer. The new Sure Start intake air pre-heater by Glacier Diesel Power. Whether it's a diesel engine swap, hard starting farm equipment, Humvee,...
ARP | 1998.5-2023 Dodge Ram 5.9 / 6.7 Cummins Diesel Head Stud Kit
$499.00
$499.00
These ARP studs are rated at 220,000 psi tensile strength, and provide the clamping force required to keep cylinder heads from lifting due to higher combustion pressures. Manufactured from propriet...
Glacier Diesel Power | 1998.5-2002 Dodge Ram 5.9 Cummins Air Boss Intake Plenum Stud Kit
$59.99
$59.99
Replacement stainless steel stud kit for Air Boss VP intake plenums.INCLUDES (2) 8mm x 100mm Studs (2) 8mm x 180mm Studs
Fleece | 1998.5-2002 Dodge Ram 5.9 Cummins Coolant Bypass Kit With Stainless Steel Braided Line
$359.00
$359.00
Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. Thi...