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UnderDog Diesel

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Engine

Showing 49-96 of 429 products

aFe Twisted Steel Header Turbo Manifold (T4) 98.5-02 Dodge Diesel Trucks L6 5.9L (td) - 48-32019

Engine

aFe Twisted Steel Header Turbo Manifold (T4) 98.5-02 Dodge Diesel Trucks L6 5.9L (td) - 48-32019

$1,345.00

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aFe Twisted Steel Header Up-Pipe 08-10 Ford Diesel Trucks V8-6.4L (td) - 48-33016

Engine

aFe Twisted Steel Header Up-Pipe 08-10 Ford Diesel Trucks V8-6.4L (td) - 48-33016

$780.00

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aFe Twisted Steel Header w/ T4 Turbo Manifold 03-07 Dodge Diesel L6-5.9L - 48-32018

Engine

aFe Twisted Steel Header w/ T4 Turbo Manifold 03-07 Dodge Diesel L6-5.9L - 48-32018

$1,345.00

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aFe Twisted Steel Header w/ Turbo Manifold 03-07 Dodge Diesel L6-5.9L - 48-32017

Engine

aFe Twisted Steel Header w/ Turbo Manifold 03-07 Dodge Diesel L6-5.9L - 48-32017

$1,345.00

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aFe Twisted Steel Headers Up-Pipes & Down-Pipe 11-15 GM Diesel Trucks V8-6.6L (td) LML - 48-34139

Engine

aFe Twisted Steel Headers Up-Pipes & Down-Pipe 11-15 GM Diesel Trucks V8-6.6L (td) LML - 48-34139

$2,509.00

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aFe Twisted Steel Power Package Up-Pipes / Manifold 08-10 Ford Diesel Trucks V8 6.4L (td) - 48-33016-PK

Engine

aFe Twisted Steel Power Package Up-Pipes / Manifold 08-10 Ford Diesel Trucks V8 6.4L (td) - 48-33016-PK

$1,302.00

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ARP 01-16 6.6L GM Duramax Diesel Head Stud Kit - 230-4201

Engine

ARP 01-16 6.6L GM Duramax Diesel Head Stud Kit - 230-4201

$757.19

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ARP Flexplate Bolt Kit, 2001-2024 LB7/LLY/LBZ/LMM/LML/L5P - 230-2901

Engine

ARP Flexplate Bolt Kit, 2001-2024 LB7/LLY/LBZ/LMM/LML/L5P - 230-2901

$94.99

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ATI Damper - 7.10 - ST - 8 Grv - 99-03 Ford 7.3 Powerstroke - Ext Bal - 5 Ring - Diesel - OEM Dia - ATI918893

Engine

ATI Damper - 7.10 - ST - 8 Grv - 99-03 Ford 7.3 Powerstroke - Ext Bal - 5 Ring - Diesel - OEM Dia - ATI918893

$445.65

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ATI Damper - 7.425in - Steel - 6 Grv - Duramax - 01-05 - LB7 & LLY - Ext Bal - 3 Ring - Diesel - ATI917371

Engine

ATI Damper - 7.425in - Steel - 6 Grv - Duramax - 01-05 - LB7 & LLY - Ext Bal - 3 Ring - Diesel - ATI917371

$464.31

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ATI Damper - 7.425in - Steel - 6 Grv - Duramax - 01-15 - Neutral Balance - 3 Ring - Heavy Inertia - ATI917378

Engine

ATI Damper - 7.425in - Steel - 6 Grv - Duramax - 01-15 - Neutral Balance - 3 Ring - Heavy Inertia - ATI917378

$437.39

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ATI Damper - 7.425in - Steel - 6 Grv - Duramax - 06-10 - LBZ & LMM - Ext Bal - 3 Ring - Diesel - ATI917369

Engine

ATI Damper - 7.425in - Steel - 6 Grv - Duramax - 06-10 - LBZ & LMM - Ext Bal - 3 Ring - Diesel - ATI917369

$438.08

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ATI Damper - 7.425in - Steel - 6 Grv - Duramax - 11+ - LML & LGH - Ext Bal - Diesel - 3 Ring - ATI917376

Engine

ATI Damper - 7.425in - Steel - 6 Grv - Duramax - 11+ - LML & LGH - Ext Bal - Diesel - 3 Ring - ATI917376

$464.31

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ATI Damper - 7.45in - Steel - 8 Grv - Ford 7.3 - Powerstroke - 99-03 - Ext Bal - 3 Ring - Diesel - ATI918889

Engine

ATI Damper - 7.45in - Steel - 8 Grv - Ford 7.3 - Powerstroke - 99-03 - Ext Bal - 3 Ring - Diesel - ATI918889

$449.12

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ATI Damper - 7.95in - Steel - 8 Grv - Cummins ISC 8.3L - 10/1997 to 4/2004 - 3 Ring Hvy - Diesel - ATI917372

Engine

ATI Damper - 7.95in - Steel - 8 Grv - Cummins ISC 8.3L - 10/1997 to 4/2004 - 3 Ring Hvy - Diesel - ATI917372

$471.98

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ATI Damper - 7.95in - Steel - 8 Grv - Ford 6.0 - Powerstroke - 03-07 - Ext Bal - 3 Ring - Diesel - ATI918888

Engine

ATI Damper - 7.95in - Steel - 8 Grv - Ford 6.0 - Powerstroke - 03-07 - Ext Bal - 3 Ring - Diesel - ATI918888

$471.98

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ATI Damper - 7.95in - Steel - 8 Grv - Ford 6.7 - Powerstroke - 2011+ - Ext Bal - 3 Ring - Diesel - ATI918892

Engine

ATI Damper - 7.95in - Steel - 8 Grv - Ford 6.7 - Powerstroke - 2011+ - Ext Bal - 3 Ring - Diesel - ATI918892

$543.65

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ATI Damper - 7.98in - Steel - 8 Grv - Cummins - 07.5-15 6.7L w/Reluctor Wheel - 3 Ring Hvy - Diesel - ATI917375

Engine

ATI Damper - 7.98in - Steel - 8 Grv - Cummins - 07.5-15 6.7L w/Reluctor Wheel - 3 Ring Hvy - Diesel - ATI917375

$543.65

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ATI Damper - 7.98in - Steel - 8 Grv - Cummins - 2003-07.5 - 5.9L - 3 Ring Hvy - Diesel - ATI917374

Engine

ATI Damper - 7.98in - Steel - 8 Grv - Cummins - 2003-07.5 - 5.9L - 3 Ring Hvy - Diesel - ATI917374

$513.82

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ATI Damper - 8.074in - Steel - 8 Grv - Cummins - 4BT - 6BT - 3.9L - 5.9L - 3 Ring - Diesel - ATI917365

Engine

ATI Damper - 8.074in - Steel - 8 Grv - Cummins - 4BT - 6BT - 3.9L - 5.9L - 3 Ring - Diesel - ATI917365

$543.65

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ATI Damper - 8.074in - Steel - Cummins - 4BT -6BT - Competition Only - 3 Ring Hvy - Diesel - ATI917365C

Engine

ATI Damper - 8.074in - Steel - Cummins - 4BT -6BT - Competition Only - 3 Ring Hvy - Diesel - ATI917365C

$471.98

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ATI Damper - 8.48in - Steel - 8 & 6 Grv - Ford 6.4 - Powerstroke - 08-10 - Ext Bal - 3 Ring - Diesel - ATI918887

Engine

ATI Damper - 8.48in - Steel - 8 & 6 Grv - Ford 6.4 - Powerstroke - 08-10 - Ext Bal - 3 Ring - Diesel - ATI918887

$509.00

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ATI Damper - 9.25in - Steel - 8 Grv - Cummins 6BT - 5.9L - 92-98 - 2 Timing Slots - 3 Ring - Diesel - ATI917373

Engine

ATI Damper - 9.25in - Steel - 8 Grv - Cummins 6BT - 5.9L - 92-98 - 2 Timing Slots - 3 Ring - Diesel - ATI917373

$471.98

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ATS Diesel ATS Fire Ring Parts Kit Fits 1994-Early 1998 5.9L Cummins - 103-910-2164

Engine

ATS Diesel ATS Fire Ring Parts Kit Fits 1994-Early 1998 5.9L Cummins - 103-910-2164

$484.92

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ATS Diesel ATS Fire Ring Parts Kit Fits 1998.5-2002 5.9L Cummins - 103-910-2218

Engine

ATS Diesel ATS Fire Ring Parts Kit Fits 1998.5-2002 5.9L Cummins - 103-910-2218

$484.92

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ATS Diesel ATS Fire Ring Parts Kit Fits 1999-2003 7.3L Power Stroke - 103-910-3170

Engine

ATS Diesel ATS Fire Ring Parts Kit Fits 1999-2003 7.3L Power Stroke - 103-910-3170

$684.48

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ATS Diesel ATS Fire Ring Parts Kit Fits 2003-2007 5.9L Cummins - 103-910-2272

Engine

ATS Diesel ATS Fire Ring Parts Kit Fits 2003-2007 5.9L Cummins - 103-910-2272

$484.92

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ATS Diesel Fire Ring Parts Kit Fits 2003-Early 2004 6.0L Power Stroke - 103-910-3278

Engine

ATS Diesel Fire Ring Parts Kit Fits 2003-Early 2004 6.0L Power Stroke - 103-910-3278

$671.42

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ATS Diesel Fire Ring Parts Kit Fits 2006.5-2007 6.0L Power Stroke - 103-910-3314

Engine

ATS Diesel Fire Ring Parts Kit Fits 2006.5-2007 6.0L Power Stroke - 103-910-3314

$671.42

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Cometic Dodge Cummins Diesel 6.7L 4.312 inch Bore .067 inch MLX Headgasket - C5609-067

Engine

Cometic Dodge Cummins Diesel 6.7L 4.312 inch Bore .067 inch MLX Headgasket - C5609-067

$230.43

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FASS DFD4000 Duramax Factory Fuel Filter Delete Kit 2001-2016 - DFD4000

Engine

FASS DFD4000 Duramax Factory Fuel Filter Delete Kit 2001-2016 - DFD4000

$77.90

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FASS Fass 32283R Replacement Element For Titanium Electric Heater - 32283R

Engine

FASS Fass 32283R Replacement Element For Titanium Electric Heater - 32283R

$118.75

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FASS Fass Factory Fuel Filter Housing Delete Kit 2019-Present Cummins 6.7L - CFHD1003K

Engine

FASS Fass Factory Fuel Filter Housing Delete Kit 2019-Present Cummins 6.7L - CFHD1003K

$58.90

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FASS Fuel Systems Drop-In Series, Electric Heater Element (DIFS32283R) - DIFS32283R

Engine

FASS Fuel Systems Drop-In Series, Electric Heater Element (DIFS32283R) - DIFS32283R

$118.75

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FASS Fuel Systems Drop-In Series Electric Heater Probe Kit (DIFSHK1001) - DIFSHK1001

Engine

FASS Fuel Systems Drop-In Series Electric Heater Probe Kit (DIFSHK1001) - DIFSHK1001

$160.55

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FASS Fuel Systems Drop-In Series Heater Probe Adapter Bushing (HB-2001) - HB-2001

Engine

FASS Fuel Systems Drop-In Series Heater Probe Adapter Bushing (HB-2001) - HB-2001

$11.40

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FASS PFD1001 Powerstroke Filter Delete Kit - PFD1001

Engine

FASS PFD1001 Powerstroke Filter Delete Kit - PFD1001

$94.05

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Fleece Performance 1998.5-2018 24v 5.9L/6.7L Cummins Rocker Arm Bridges Set of 12 - FPE-BRAB-C1

Engine

Fleece Performance 1998.5-2018 24v 5.9L/6.7L Cummins Rocker Arm Bridges Set of 12 - FPE-BRAB-C1

$467.43

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Fleece Performance 2 Setrab To -10AN Fittings Purchased W/Allison Transmission Cooler Lines - FPE-TL-ST

Engine

Fleece Performance 2 Setrab To -10AN Fittings Purchased W/Allison Transmission Cooler Lines - FPE-TL-ST

$19.99

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Fleece Performance 2001-2016 Duramax Oil Cap Black - FPE-DMAX-OC-BLK

Engine

Fleece Performance 2001-2016 Duramax Oil Cap Black - FPE-DMAX-OC-BLK

$39.99

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Fleece Performance 2001-2016 Duramax Oil Cap Blue - FPE-DMAX-OC-BLU

Engine

Fleece Performance 2001-2016 Duramax Oil Cap Blue - FPE-DMAX-OC-BLU

$39.99

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Fleece Performance 2001-2016 Duramax Oil Cap Red - FPE-DMAX-OC-RED

Engine

Fleece Performance 2001-2016 Duramax Oil Cap Red - FPE-DMAX-OC-RED

$39.99

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Fleece Performance 2003-2012 Cummins Cooling Fan Pigtail - FPE-HAR-CUMM-CF-0312

Engine

Fleece Performance 2003-2012 Cummins Cooling Fan Pigtail - FPE-HAR-CUMM-CF-0312

$59.99

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Fleece Performance 2003-2016 Cummins Factory Oil Feed Line Replacement - FPE-CRTFL-OE

Engine

Fleece Performance 2003-2016 Cummins Factory Oil Feed Line Replacement - FPE-CRTFL-OE

$69.99

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Fleece Performance 2004.5-2005 Factory LLY Duramax Cylinder Head (Driver Side) - FPE-61-10002-D

Engine

Fleece Performance 2004.5-2005 Factory LLY Duramax Cylinder Head (Driver Side) - FPE-61-10002-D

$1,199.00

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Fleece Performance 2004.5-2005 Factory LLY Duramax Cylinder Head (Passenger Side) - FPE-61-10002-P

Engine

Fleece Performance 2004.5-2005 Factory LLY Duramax Cylinder Head (Passenger Side) - FPE-61-10002-P

$1,199.00

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Fleece Performance 2006-2010 Factory LBZ/LMM Duramax Cylinder Head (Driver Side) - FPE-61-10003-D

Engine

Fleece Performance 2006-2010 Factory LBZ/LMM Duramax Cylinder Head (Driver Side) - FPE-61-10003-D

$1,199.00

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Fleece Performance 2006-2010 Factory LBZ/LMM Duramax Cylinder Head (Passenger Side) - FPE-61-10003-P

Engine

Fleece Performance 2006-2010 Factory LBZ/LMM Duramax Cylinder Head (Passenger Side) - FPE-61-10003-P

$1,199.00

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