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Brand: Merchant Automotive Part Number: 10382
NOTE: This upgrade kit MAY NOT BE COMPATIBLE with some aftermarket aluminum rear transfer case halves due to the inconsistent manufacturing tolerances seen in them, verify correct fitment prior to installation.Duramax Diesel Transfer Case Upgrade KitTo repair or prevent pump rub failu...
$114.92

Brand: Randys Transmission Part Number: RT48FMVB
Full Manual Valve Body for 03-07 5.9 Cummins with 48REThe same Valve Body used in 'Red Delicious', our 2700+ HP 06 CumminsBuilt, flow tested, & calibrated in house.*DOES NOT INCLUDE ROOSTER COMB*PLEASE READ CRUCIAL INFORMATION BELOWCRUCIAL INFORMATION:THIS IS A PRODUCT INTENDED FOR BUILT TRANSMI...
$935.00

Brand: BD Power Part Number: 1064534SS
The Roadmaster 6R140 transmission is BD's base transmission for stock, non-modified trucks that are looking to increase reliability and longevity. This transmission comes with OEM clutch counts, an OEM valve body, and BD's Deep Transmission Pan. Every one of our 6R140 Roadmaster Transmission Package...
$5,865.00

Brand: Randys Transmission Part Number: RT47FMVB
Full Manual Valve Body for 94-02 Cummins with 47REThe same Valve Body used in 'Red Delicious', our 2700+ HP CumminsBuilt, flow tested, & calibrated in house.*DOES NOT INCLUDE ROOSTER COMB*CRUCIAL INFORMATION:THIS IS A PRODUCT INTENDED FOR BUILT TRANSMISSIONS AND RACING APPLICATIONS ONLY! TR...
$935.00

Brand: Randys Transmission Part Number: 47XHD
XHD Extreme Heavy Duty Quad Disc Converter for 47RE Transmissions.Aggressive Lockup; for 800+HP TrucksRequires 35 Spline InputTwo Stall Speeds Available47XHD Quad Disc Converter for 48E Transmissions.The 47XHD Quad Disc torque converter is specifically designed for higher horsepower trucks. It offer...
$1,675.00

Brand: Firepunk Diesel Part Number: FD0047REC1x-xxx
The Firepunk FPC1 Competition Stage 1 Transmission for your 00-02 Dodge 5.9L Cummins is the perfect option for the serious performance enthusiast. As Firepunk’s most popular build, the Comp 1 provides a well-balanced transmission for those who need to use their truck daily ...
$6,700.00

Brand: Firepunk Diesel Part Number: FD0047REC24-xxx
The Firepunk FPC2 Competition Stage 2 Transmission for your 00-02 Dodge 5.9L Cummins is a full billet build. This is a 1000HP capable transmission that will feed your desire to build a monster and have a transmission that puts the power to ground. The valve body is more aggressiv...
$7,850.00

Brand: Firepunk Diesel Part Number: FD0047REC34-xxx
The Firepunk FPC3 Competition Stage 3 Transmission for your 00-02 Dodge 5.9L Cummins is for the ultimate street truck making big power. Suited for a variety of High Horsepower trucks, this transmission is built using oversized shafts capable of holding extreme HP and torque. This...
$9,450.00

Brand: Firepunk Diesel Part Number: FD0047RESTx-xxx
The Firepunk FPST Street & Track Transmission for your 00-02 Dodge 5.9L Cummins is perfect transmission package for those who use their truck for street duties and track time. The name says it well, a transmission designed to for a hot street truck that is strong enough to hi...
$5,750.00

Brand: Firepunk Diesel Part Number: FD0047RETMx
The Firepunk FPTMP Towmaster Plus Transmission for your 00-02 Dodge 5.9L Cummins is designed for the diesel owner who enjoys the added horsepower and torque from a tuner along with small upgrades that maximize a trucks efficiency and towing capability. This transmission comes equ...
$4,350.00

Brand: Zumbrota Drivetrain Part Number: RTC263GXHD-2M
All units are put through a proprietary cleaning method, and arrive to your door looking like new. We only ship after a complete inspection, component replacement, and quality control process. Each transfer case unit is signed off once approved by a member of our rebuild team. Zumbrota products are ...
$1,743.75

Brand: Pacific Performance Engineering Part Number: 124062101
Fits: 2001-2003 GM 6.6L Duramax 2500HD LB7 (With Orange Clips) This PPE 124062101 Performance Bar and Plate Transmission Cooler gives you the Proper cooling of your transmission fluid that you need to extend your transmission lifespan.Bar and plate style cooler is far superior to the OEM-style ...
$314.99

Brand: Mishimoto Part Number: MMTC-DMAX-01SL
PRODUCT FEATURESDirect fit for all 2001-2003 Chevrolet/GMC 6.6L Duramax (LB7)Stacked-plate construction for maximum durability and superior coolingCNC-machined adapters make it easy to connect Mishimoto cooler to stock fluid lines or AN lines174% greater core volume than stock cooler192% greater ext...
$435.95

Brand: Dorman Products Part Number: 800-605
Fits: 2001-2003 GM Silverado/Sierra 2500HD/3500HD (See Applications) This Dorman 800-605 Transmission Line Fitting (3/8" X 5/8"-18) is made of quality materials. This automatic transmission oil cooler line connector matches the fit and function of a failed original equipment connector to r...
$6.91

Brand: Dorman Products Part Number: 511-102
This transmission range sensor is designed to match the fit and function of the original sensor on specified vehicles, and is engineered for durability and reliable performance.Direct replacement - this transmission range sensor is designed to match the fit and function of the original sensor on spe...
$112.82

Brand: Firepunk Diesel Part Number: FD0xA750x
2001-2005 Firepunk Proven A750 Allison Transmission Features: Great For Mildly Modified Trucks Up To 750HP 2-Year Unlimited Mileage, 100% Workmanship Warranty Build List: Upgraded Flex Plate DPC Triple Disk Converter Filter Lock Bearing Kit New Filters Transgo and Rat...
$6,995.00

Brand: Firepunk Diesel Part Number: FD0xA900x
2001-2005 Firepunk Proven A900 Allison Transmission Features: Great For Mildly Modified Trucks Up To 900HP 2-Year Unlimited Mileage, 100% Workmanship Warranty Build List: Upgraded Flex Plate DPC Triple Disk Converter Filter Lock Bearing Kit New Filters Transgo and Rat...
$8,495.00

Brand: Fleece Performance Part Number: FPE-TL-LB7-LLY
Replace your leaking transmission lines with our heavy duty, high flow, flexible transmission lines. Our kit is the most complete replacement transmission line kit available for your LB7 or LLY truck!  It includes all of the necessary fittings whether your truck is running a stock radiator or S...
$269.00

Brand: Fleece Performance Part Number: FPE-TL-LB7-LLY-SHORT-SER
Replacement Transmission Cooler Line (short line) for the Fleece Performance Allison Transmission Cooler Line Kit (FPE-TL-LB7-LLY). For use on model year 2001-2005 LB7-LLY trucks. APPLICATION NOTES This is a single replacement line only.  It does not include any fittings or additional compo...
$75.99

Brand: Dorman Products Part Number: 918-249
Fits: 2001-2005 6.6L Duramax LB7/LLY (Allison 5-Speed)This automatic transmission oil cooler is built to match the function of an original cooler on specified vehicles. It is engineered to help maintain proper engine oil temperature when an original cooler has failed from heat, corrosion, or damage....
$245.95

Brand: DmaxStore Part Number: XD-TCASEHOUSING
DMAX XD Aluminum Rear Transfer Case HousingFits 2001-2007 Chevy / GMC 2500HD / 3500HDPart# XD-TCASEHOUSINGMade from aluminum not magnesium the Dmax XD rear housing is much more rigid and stronger than the OEM  unit. There is no need for a pump rub kit with this improved housing. This is a ...
$237.49

Brand: Zumbrota Drivetrain Part Number: RTC263GXHD-2
When you buy a Zumbrota transfer case, you gain the confidence, satisfaction, and peace of mind that comes with our standard 2 year, unlimited mileage warranty. Zumbrota transfer cases are rebuilt to unparalleled standards. All units are restored to like-new condition by craftsmen with over 150 year...
$1,907.14

Brand: Zumbrota Drivetrain Part Number: RTC261GXHD-1
When you buy a Zumbrota transfer case, you gain the confidence, satisfaction, and peace of mind that comes with our standard 2 year, unlimited mileage warranty. Zumbrota transfer cases are rebuilt to unparalleled standards. All units are restored to like-new condition by craftsmen with over 150 year...
$1,568.75

Brand: Zumbrota Drivetrain Part Number: RTC263GHD-2
When you buy a Zumbrota transfer case, you gain the confidence, satisfaction, and peace of mind that comes with our standard 2 year, unlimited mileage warranty. Zumbrota transfer cases are rebuilt to unparalleled standards. All units are restored to like-new condition by craftsmen with over 150 year...
$1,870.00

Brand: Zumbrota Drivetrain Part Number: NTC263GHD-2
All units are put through a proprietary cleaning method, and arrive to your door looking like new. We only ship after a complete inspection, component replacement, and quality control process. Each transfer case unit is signed off once approved by a member of our rebuild team. Zumbrota products are ...
$2,143.75

Brand: Zumbrota Drivetrain Part Number: NTC261GXHD-1
All units are put through a proprietary cleaning method, and arrive to your door looking like new. We only ship after a complete inspection, component replacement, and quality control process. Each transfer case unit is signed off once approved by a member of our rebuild team. Zumbrota products are ...
$2,025.00

Brand: Dirty Hooker Diesel Part Number: 100-175
DHD 100-175 GM Allison Transfer Case Support Brace 2001-2007 Classic Body This support can keep your Allison four wheel drive housing from cracking in the event of a driveline vibration (bad u-joint, dented or bent driveshaft) or on high horsepower pickups. This brace is our super heavy duty vers...
$145.00

Brand: Dirty Hooker Diesel Part Number: 101-263
This 261/263XHD transfer case rebuild kit is perfect for those whom want to tackle the job themselves. Aside from the hard parts, this kit includes everything you need to service your case. DHD's kit includes all the seals and bearings needed to rebuild your NP261XHD or NP263XHD.Kit Includes:FRONT O...
$179.95

Brand: Merchant Automotive Part Number: 10603
The transfer case on your Duramax truck transfers power from the transmission to the front and rear axles by the use of driveshafts. When a transfer case fails, or starts failing, you will lose performance or functionality of your four wheel drive. Replacing your 261XHD transfer case is a job yo...
$2,502.65

Brand: Merchant Automotive Part Number: 10468
The Merchant Automotive Deluxe Seal kit for the NP263XHD includes all the seals used throughout the transfer case to complete the proper reassembly after a transfer case rebuild or major overhaul.KIT INCLUDES: A23 Speed Sensor Seal (#10238 qty. 1)A13 Rear Output Seal (#22049 qty. 1)Tr...
$62.93

Brand: Merchant Automotive Part Number: 10604
Replace a 263XHD electronic shift four-wheel drive transfer case found in 2001 to 2007 GM Duramax 6.6L V8 diesel trucks with this brand new one from Merchant Automotive - No core charge! This transfer case is backed by a Merchant Automotive 2-year Unlimited...
$2,371.28

Brand: Merchant Automotive Part Number: 10464
The Merchant Automotive Deluxe Bearing and Seal kit for the NP263XHD includes all the bearings and seals throughout the transfer case as well as low range shift fork pads and wear pads for the planetary gearset. If you are wanting to completely refresh your transfer case after any kind of no fluid s...
$208.15

Brand: Merchant Automotive Part Number: 10068
The Merchant Automotive 263XHD Snap Ring Kit includes all ten snap rings required when replacing the snap rings inside the 263XHD transfer case during a complete rebuild. To make identifying and installing the snap rings easier they are each individually packaged and labeled. One kit includes all th...
$58.04

Brand: Merchant Automotive Part Number: 10057
Duramax Diesel Transfer Case Upgrade Kit To repair or prevent pump rub failure on your Duramax diesel engine transfer case, use this Merchant Automotive Duramax transfer case upgrade kit with performance transfer case fluid. This kit will give you everything you need to help...
$106.72

Brand: Dirty Hooker Diesel Part Number: 100-185
DHD 100-185 ZF6 Transmission Rear Housing Support 2001-2006 Classic (T-Case Brace) This support can keep your adapter housing from cracking in the event of a driveline vibration (bad u-joint, dented or bent driveshaft) or on high horsepower pickups. This brace is our standard unit that is powder ...
$145.00

Brand: Zumbrota Drivetrain Part Number: NTC263XHD
All units are put through a proprietary cleaning method, and arrive to your door looking like new. We only ship after a complete inspection, component replacement, and quality control process. Each transfer case unit is signed off once approved by a member of our rebuild team. Zumbrota products are ...
$2,143.75

Brand: Dorman Products Part Number: 800-604
Fits: 2001-2008 GM Silverado/Sierra 2500HD/3500HD (See Applications)This Dorman 800-604 Transmission Line Fitting (3/8" X 1/4"-18) is made of quality materials. This automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to r...
$6.91

Brand: Fleece Performance Part Number: FPE-TL-LB7-LMM-LONG-SER
Replacement Transmission Cooler Line (longest length line) for the Fleece Performance Allison Transmission Cooler Line Kits FPE-TL-LB7-LLY and FPE-TL-LBZ-LMM. For use on model year 2001-2010 LB7, LLY, LBZ, and LMM trucks. APPLICATION NOTES This is a single replacement line only.  It does no...
$134.99

Brand: Fleece Performance Part Number: FPE-TL-LB7-LMM-MED-SER
Replacement Transmission Cooler Line (medium length line) for the Fleece Performance Allison Transmission Cooler Line Kits FPE-TL-LB7-LLY and FPE-TL-LBZ-LMM. For use on model year 2001-2010 LB7, LLY, LBZ, and LMM trucks. APPLICATION NOTES This is a single replacement line only.  It does not...
$94.99

Brand: Alliant Power Part Number: AP63442
Direct Replacement for the OEM pump found on Cab & Chassis Duramax trucks. Part number: AP63442...
$84.30

Brand: Allison Transmission Part Number: 29536408
OE quality replacement Allison transmission speed sensor for 01-15 6.6L Duramax trucks.Fitment note: 2015 models - only fits early style sensor. Please confirm hardness connector before orderingAllison: 29536408...
$31.05

Brand: DmaxStore Part Number: DMAX-TRANS-STG3
DmaxStore Complete Stage 3 TransmissionFits 2001-2016 Chevy/GMC 2500/3500 HD 4x4HP Rating: 550 HP*2 Year Unlimited Mileage Warranty**Built to order, normally 2-3 week lead time, please call for most up to date lead time*Outbound Shipping cost is included TO THE LOWER 48 STATES onlyFul...
$5,499.00

Brand: DmaxStore Part Number: DMAX-TRANS-STG4
DmaxStore Complete Stage 4 TransmissionFits 2001-2016 Chevy/GMC 2500/3500 HD 4x4HP Rating: 800 HP*2 Year Unlimited Mileage Warranty**Built to order, normally 2-3 week lead time, please call for most up to date lead time*Outbound Shipping cost is included TO THE LOWER 48 STATES on...
$6,299.00

Brand: DmaxStore Part Number: DMAX-TRANS-STG5
DmaxStore Complete Stage 5 TransmissionFits 2001-2016 Chevy/GMC 2500/3500 HDHP Rating: 1000 HP*2 Year Unlimited Mileage Warranty**Built to order, normally 2-3 week lead time, please call for most up to date lead time*Outbound Shipping cost is included TO THE LOWER 48 STATES onlyF...
$6,799.00

Brand: Fleece Performance Part Number: FPE-HAR-GM-AT-20-PT
Our replacement GM Automatic Transmission 20-Pin pigtail features 12" leads that are labeled with the pin positions to aid in installation. Includes 20  heat-sealable butt-style connectors. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal crim...
$99.99

Brand: Dirty Hooker Diesel Part Number: 100-950K
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 ...
$196.47

Brand: DmaxStore Part Number: XD-TB-XXXX
DMAX XD Platinum Series Transmission Rear Housing SupportFits 2001-2019 Chevy/GMC 2500/3500HD Allison 4x4 Transmissions.Part#'s2001-2007 (LB7-LLY-LBZ) - XD-TB-01072007.5-2010 (LMM) - XD-TB-07102011-2019 (LML-L5P) - XD-TB-1119 The DMAX XD transmission rear support can keep yo...
$113.05

Brand: DmaxStore Part Number: DMAX-474
DmaxStore Deep Transmission Filter LockFits 2001-2019 Chevy/GMC 2500/3500 HD With Allison 1000 and Deep Sump Pan FilterPart# DMAX-474DmaxStore's Allison filter lock will reduce cavitation due to lack of seal at the filter and also will hold the filter securely in place when installed. Note:&nbs...
$23.99

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