filter

DHD's heavy duty balancer installer is a must for customers installing aftermarket dampers. Unlike the OE balancer, most performance Duramax dampers are press fit on the crankshaft. This precision fit requires precision installation! DHD's installer utilizes a self centering sleeve to help guide the...

Its always best practice to replace rusty, missing or damaged line retainers while servicing your LB7 injectors. These stainless DHD retainers are direct OE Replacements for LB7 Trucks 2001-2004. This is the perfect alternative to outrageous OE replacement prices. DHD's exclusive kit includes 8 304S...

DHD 700-012AFT LB7 Duramax High Pressure Fuel Line Kit Skip the dealer prices and replace your damaged, rusty high pressure injector lines with this OE supplier replacement from DHD. Our industry resources provide us excellent opportunities to bring you high quality products at industry leadin...

These full featured OEM fit up pipes are an excellent value! These are brand new and include all the high flow, high quality features your looking for at half of a new GM LB7 up-pipe price. DHD has taken OEM replacement to a new level. This stock replacement up pipe allow 53% greater flow than st...

DHD's Deluxe LB7 Low Pressure Fuel Hose Kit includes all engine related fuel supply and return hoses for 2001-2004 LB7 Duramax Diesel pickups. These molded hoses often crack and deteriorate over time leading to leaks and hard starting issues. If you find one hose is leaking its always best practice ...

If your experiencing lopey, erratic idle rpm there's a good chance your FPR or the FPR jumper harness is at fault. This FPR service kit from DHD is a favorite amongst installers. DHD's kit includes everything needed to do the job correctly, the first time. Each kit includes a new OE Bosch fuel press...

*NOT LEGAL FOR SALE OR USE IN CALIFORNIA. THE MANUFACTURE, SALE, OFFER FOR SALE, OR INSTALLATION OF THIS PRODUCT MAY ALSO BE ILLEGAL NATIONWIDE UNDER THE FEDERAL CLEAN AIR ACT (42 U.S.C. § 7522(A)(3))**This product is ONLY designed for closed course racing where it is legal to do so. Any other use ...

Kit includes Gaskets and Hardware!Stainless Duramax Up Pipe SetBest FIT! Best Value!NO COREThese full featured OEM length up pipes are an excellent value! These are brand new and include all the high flow, high quality features your looking for at half of new GM LB7 up-pipes.DHD has taken OEM replac...

*NOT LEGAL FOR SALE OR USE IN CALIFORNIA. THE MANUFACTURE, SALE, OFFER FOR SALE, OR INSTALLATION OF THIS PRODUCT MAY ALSO BE ILLEGAL NATIONWIDE UNDER THE FEDERAL CLEAN AIR ACT (42 U.S.C. § 7522(A)(3))**This product is ONLY designed for closed course racing where it is legal to do so. Any other use ...

DHD Built Performance Allison Transmission Valve BodyDHD's Turbo Tony valve body is assembled in house with the best parts in the industry. DHD's 17 years of experience building transmissions has really allowed them to hone in on exactly what products and services make the best performing Allison tr...

NEW Design, Steel DIN construction, Does not accept GM compartmental parts or OE switches. DHD 115-510 Dirty Alli-Locker 5-Speed Torque Converter Lockup SwitchThe DHD Dirty Alli-Locker torque converter lockup switch was designed to be an exact fix for the ever long pursuit of true lockup contro...

Replace your damaged or inoperative Duramax PCV valve with this all in one service kit from DHD. As your truck ages these diaphragms swell and distort from exposure to temperature cycles and engine oil. This distortion can decrease the valves efficiency and lead to oil leaks. DHD's service kit inclu...

DHD's TORQ series studs provide the perfect blend of quality and value that all Motorsports enthusiast's seek. These studs are designed to provide marketplace options for the hobbyist and a high quality budget friendly alternative to inadequate OE hardware. While working directly with the manuf...

DHD 115-510U Dirty Alli-Locker 5-Speed Torque Converter Lockup SwitchThe DHD Dirty Alli-Locker torque converter lockup switch was designed to be an exact fix for the ever long pursuit of true lockup controller that will work 100% of the time. After countless troubles with different aftermarket kits ...

Todays level of competition, advancements in fuel delivery, and advancements in induction require more of your engine. Everyone is looking for the edge on their competition, whether it be more power, or better longevity, it all counts.Dirty Hooker Diesels years of experience building high performanc...

DHD's stainless steel Duramax hot side pipe kit is the perfect upgrade for your weak and restrictive factory hot side pipe. Our pipe kit fits 2001-2010 Duramax trucks and is designed to mimic the factory tube routing and placement. This direct fit design makes it so no engine accessories, wheel line...

For over 3 years DHD's TORQ series fasteners have been setting the benchmark for quality, performance and value. Don't be fooled by inferior late arrivals to the fastener market. Replace your OE flexplate / flywheel bolts with these 8740 chromoly fasteners from DHD. Our bolts work perfect with St...

These high performance motor mounts are the original! Since 2013, DHD engine mounts have set the standard for upgraded Duramax engine mounts. Our design maintains engine alignment and engine height while adding the strength and durability of a high performance polyurethane. The polyurethane we use i...

Not all up pipe bolts are created equal! Its just about impossible to find the correct dimension M10 bolt with the correct shoulder and socket size as factory. Well, not anymore!DHD's up pipe bolts are designed to be an exact replacement for your rusty or broken OE hardware. These bolts work well on...

DHD 030-5001 Billet Rear Engine Cover Coolant Block Off Plate DHD's Billet Coolant Passage Block Plate is used to stop the problematic Duramax coolant leak where the stock cast plate is installed on the rear engine cover. Use this to fix your current coolant leak or to prevent a possible future c...

This kit contains a full set of triple layer Stainless Steel MLS Up Pipe Gaskets.Kit includes 4 Gaskets!2 Up Pipe to Turbo GasketsGM Replacement Part# 971926182 Manifold to Up Pipe GasketsGM Replacement Part# 97188685A leaky up pipe gasket cause a ticking sound within the engine bay and drastically ...

Refreshing or resealing your engine? Replace your rusty, damaged or broken hardware with this zinc coated oil pan bolt kit from DHD.  Note: This kit will allow you to convert your studs to bolts, and or use the nuts provided on your studs.    Features: Perfect Fit OE Gr...

Replace your cracked or damaged OE flex plate with this heavy duty option from DHD. These units are nearly twice as thick as OE and are engineered to handle up to 1500lb-ft or torque. DHD's heavy duty flex plates are a must for customers with aftermarket torque converters and built transmissions! A ...

DHD Duramax AC Delete kit is a complete kit that will allow you to remove the AC compressor on your LB7, LLY, LBZ, LMM, LML and L5P equipped GM trucks and Vans. The bracket, pulley and pulley bolt are included.    Part Number: 500-101 ...

The Best Bang for Your BUCK! This All-In-One kit is perfect for any Duramax owner that wants to add cooling capacity and longevity to there Allison 1000. This kit will add approximately 3 qts of fluid capacity and eliminate the risk of filter fallout or cavitation. When the hard works done, slip ...

Replace your damaged starter ring gear with this new replacement from DHD. Sweating a new ring gear onto your current flywheel will eliminate the need to rebalance your rotating assembly. Its highly recommended that you replace your flywheel bolts during this service. Fitment: 2001-2023 GM Dur...

If your experiencing lopey, erratic idle rpm there's a good chance your FPR or the FPR jumper harness is at fault. This FPR service kit from DHD is a favorite amongst installers. DHD's kit includes everything needed to do the job correctly, the first time. Each kit includes a new OE Bosch fuel press...

DHD 500-304 Duramax Thermostat Housing to Heater Core Fitting 2004.5-07   DHD's Billet Coolant supply fitting replaces the OE steel EGR/heater core supply tube. This assembly is designed to fit into the front coolant bridge adjacent to the thermostat housing and is almost a must when doin...

These fuel return manifolds are the perfect solution for simplifying the injector fuel return on 2004-5-2010 Duramax trucks. This kit is ultra high-flow and works well with twin CP3 high fuel volume performance trucks. The tube is threaded 1/8NPT on both ends so plumbing options are endless. Tu...

DHD 700-125 Standard Fuel Block Upgrade Kit LLY LBZ LMM Duramax DieselDHD's standard fuel block upgrade kit eliminates the restrictive factory fuel test-port/fuel block located just rear of the alternator and replaces it with our high flow billet aluminum block. This standard kit will utilize the OE...

DHD 700-155 Super High Flow 1/2" Fuel Block Upgrade Kit LLY LBZ LMM Duramax DieselThe DHD 700-155 Super High Flow Fuel Block Upgrade kit eliminates the restrictive factory fuel test-port/fuel block and replaces it with our high flow billet aluminum block. This kit is identical to our standard kit ex...

The DHD 700-155B Super High Flow Fuel Block Upgrade kit eliminates the restrictive factory fuel test-port/fuel block and replaces it with DHD's high flow black anodized aluminum block. This kit is identical to their standard kit except the CP3 fuel supply hose is 1/2" diameter. This kit utilizes USA...

If your experiencing lopey, erratic idle rpm there's a good chance your FPR or the FPR jumper harness is at fault. This FPR service kit from DHD is a favorite amongst installers. DHD's kit includes everything needed to do the job correctly, the first time. Each kit includes a new OE Bosch fuel press...

DHD's TORQ series studs provide the perfect blend of quality and value that all Motorsports enthusiast's seek. These studs are designed to provide marketplace options for the hobbyist and a high quality budget friendly alternative to inadequate OE hardware. While working directly with the manuf...

DHD Built Performance Allison Transmission Valve Body DHD's Turbo Tony valve body is assembled in house with the best parts in the industry. DHD's 17 years of experience building transmissions has really allowed them to hone in on exactly what products and services make the best performing Alliso...

DHD 500-114 LMM Coolant Line Relocation KitWhen installing aftermarket manifolds or tubular headers on your 2007.5-2008 LMM Duramax Diesel you will notice that you will also have to reroute your EGR cooler line because of clearance issues. We have simple kit that will allow you to re-route your cool...

DHD's Deluxe LML Low Pressure Fuel Hose Kit includes all engine related fuel supply and return hoses for 2012-2016 LML Duramax Diesel pickups. Due to running production changes, the hoses in this kit will provide only partial coverage for 2011 trucks. These molded hoses often crack and deteriorate o...

If your one of the 3% that experience a CP4 failure on your Duramax, its extremely important to replace not only your CP4, but also its counter parts.DHD's LML fuel system kit is one of the most comprehensive on the market! Unlike their competition, they include 3 additional high pressure and low pr...

Backordered with No ETA   **Updated on 07/01/2024** For use with 1480 Upgraded Heavy Duty Drive Shafts 241DHD/271/273 Rear Output "1480 Series" Slip Yoke Fits later model 241DHD transfer cases with the 31 spline output shaft.  *Please be aware that most 94-96 tru...

OEM Mopar transfer case rear output seal for 94-02 Dodge W/ 241DLD transfer case or 94-95 Dodge W/ 241DHD Transfer Case. Mopar: 5086054AA ...

DHD's TORQ series studs provide the perfect blend of quality and value that all Motorsports enthusiast's seek. These studs are designed to provide marketplace options for street trucks under 800HP and a high quality budget friendly alternative to inadequate OE hardware. While working directly w...

DESCRIPTION DHD 600-603 AAM9.25 Billet Front Differential Slider   This custom built billet slider for the AAM 9.25" Front Differential from DHD is a must for any competitive pulling or racing setup. This slider goes right in place of the factory powdered metal slider without modi...

DHD's double stitch titanium manifold blankets raise the bar for quality, fit and protection. These are NOT your average Amazon heat blanket. Our blankets are MADE IN THE USA with 2 ultra thick, tight woven silica imbedded layers of fiberglass. We have consistently had these blankets at 1,800°F wit...

241DHD Transfer Case Output Shaft Seal Fits 1997-2002 Dodge Ram 2500/3500 trucks with the 241DHD transfer case with the 31 spline output shaft. It WILL NOT FIT transfer cases with a 2-piece tailshaft housing.. This is an early 241DHD case and has a 32 spline output shaft. Image for Reference only,...

Seal for fixed 1410 yoke Part number: CR21061 Picture for representation only.   ...

Old Part Number: 20482Part Number: ZTNP20482  ...

Old Part Number: 24955  Part Number: ZTNP24955...

Replace your stuck or inoperative VGT actuator with this direct replacement from DHD. Garretts GT37 series VGT turbos are known for having stuck or inoperative vanes. Its not uncommon for this actuator to be the reason. This new actuator from DHD will restore VGT function and eliminate codes directl...