2004.5-2005 GM 2500HD/3500HD 6.6L LL Duramax Towing Upgrades

2004.5-2005 6.6L Silverado & Sierra 2500HD/3500HD

2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Air Springs

Air Springs

2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Exhaust Brakes

Exhaust Brakes

2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Helper Springs

Helper Springs

2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Hitches

Hitches

2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Receivers

Receivers

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SuperSprings SSA10 Self-Adjusting 2100lb Helper Springs | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
SuperSprings SSA10 Self-Adjusting 2100lb Helper Springs | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
SuperSprings SSA10 Self-Adjusting 2100lb Helper Springs | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
SuperSprings SSA10 Self-Adjusting 2100lb Helper Springs | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

SuperSprings

SuperSprings SSA10 Self-Adjusting 2100lb Helper Springs | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

SKU: SSPSSA10
$537.99
Gen-Y GH-627 Mega-Duty Class V 21K Drop Hitch 18 inch Drop for 2-1/2 inch Reciever | Universal
Gen-Y GH-627 Mega-Duty Class V 21K Drop Hitch 18 inch Drop for 2-1/2 inch Reciever | Universal

Gen-Y Hitch

Gen-Y GH-627 Mega-Duty Class V 21K Drop Hitch 18 inch Drop for 2-1/2 inch Reciever | Universal

SKU: GENGH-627
$820.97
Gen-Y GH-626 Mega-Duty Class V 21K Drop Hitch 15 inch Drop for 2-1/2 inch Reciever | Universal
Gen-Y GH-626 Mega-Duty Class V 21K Drop Hitch 15 inch Drop for 2-1/2 inch Reciever | Universal
Gen-Y GH-626 Mega-Duty Class V 21K Drop Hitch 15 inch Drop for 2-1/2 inch Reciever | Universal

Gen-Y Hitch

Gen-Y GH-626 Mega-Duty Class V 21K Drop Hitch 15 inch Drop for 2-1/2 inch Reciever | Universal

SKU: GENGH-626
$797.97
Gen-Y GH-624 Mega-Duty Class V 21K Drop Hitch 9 inch Drop for 2-1/2 inch Reciever | Universal
Gen-Y GH-624 Mega-Duty Class V 21K Drop Hitch 9 inch Drop for 2-1/2 inch Reciever | Universal
Gen-Y GH-624 Mega-Duty Class V 21K Drop Hitch 9 inch Drop for 2-1/2 inch Reciever | Universal

Gen-Y Hitch

Gen-Y GH-624 Mega-Duty Class V 21K Drop Hitch 9 inch Drop for 2-1/2 inch Reciever | Universal

SKU: GENGH-624
$469.97
Gen-Y GH-625 Mega-Duty Class V 21K Drop Hitch 12 inch Drop for 2-1/2 inch Reciever | Universal
Gen-Y GH-625 Mega-Duty Class V 21K Drop Hitch 12 inch Drop for 2-1/2 inch Reciever | Universal

Gen-Y Hitch

Gen-Y GH-625 Mega-Duty Class V 21K Drop Hitch 12 inch Drop for 2-1/2 inch Reciever | Universal

SKU: GENGH-625
$528.97
Gen-Y GH-524 Mega-Duty Class V 16K Drop Hitch 7.5 inch Drop for 2 inch Reciever | Universal
Gen-Y GH-524 Mega-Duty Class V 16K Drop Hitch 7.5 inch Drop for 2 inch Reciever | Universal
Gen-Y GH-524 Mega-Duty Class V 16K Drop Hitch 7.5 inch Drop for 2 inch Reciever | Universal

Gen-Y Hitch

Gen-Y GH-524 Mega-Duty Class V 16K Drop Hitch 7.5 inch Drop for 2 inch Reciever | Universal

SKU: GENGH-524
$352.97
Gen-Y GH-1723 MEGA-DUTY 3 Shank 6 Drop 3.5K TW 32K Hitch with Versa-Ball & Pintle Lock | Universal
Gen-Y GH-1723 MEGA-DUTY 3 Shank 6 Drop 3.5K TW 32K Hitch with Versa-Ball & Pintle Lock | Universal
Gen-Y GH-1723 MEGA-DUTY 3 Shank 6 Drop 3.5K TW 32K Hitch with Versa-Ball & Pintle Lock | Universal

Gen-Y Hitch

Gen-Y GH-1723 MEGA-DUTY 3 Shank 6 Drop 3.5K TW 32K Hitch with Versa-Ball & Pintle Lock | Universal

SKU: GENGH-1723
$531.97
Gen-Y GH-1623 MEGA-DUTY 2.5 inch Shank 6 inch Drop 3.5K TW 32K Hitch with Versa-Ball & Pintle Lock | Universal
Gen-Y GH-1623 MEGA-DUTY 2.5 inch Shank 6 inch Drop 3.5K TW 32K Hitch with Versa-Ball & Pintle Lock | Universal
Gen-Y GH-1623 MEGA-DUTY 2.5 inch Shank 6 inch Drop 3.5K TW 32K Hitch with Versa-Ball & Pintle Lock | Universal

Gen-Y Hitch

Gen-Y GH-1623 MEGA-DUTY 2.5 inch Shank 6 inch Drop 3.5K TW 32K Hitch with Versa-Ball & Pintle Lock | Universal

SKU: GENGH-1623
$507.97
CURT 48641 Lunette Ring & Channel | Universal
CURT 48641 Lunette Ring & Channel | Universal
CURT 48641 Lunette Ring & Channel | Universal
CURT 48641 Lunette Ring & Channel | Universal
CURT 48641 Lunette Ring & Channel | Universal

Curt

CURT 48641 Lunette Ring & Channel | Universal

SKU: CRT48641
$256.95
CURT 48661 Lunette Ring | Universal
CURT 48661 Lunette Ring | Universal
CURT 48661 Lunette Ring | Universal
CURT 48661 Lunette Ring | Universal

Curt

CURT 48661 Lunette Ring | Universal

SKU: CRT48661
$237.95
CURT 48651 Lunette Ring Channel | Universal
CURT 48651 Lunette Ring Channel | Universal
CURT 48651 Lunette Ring Channel | Universal
CURT 48651 Lunette Ring Channel | Universal
CURT 48651 Lunette Ring Channel | Universal

Curt

CURT 48651 Lunette Ring Channel | Universal

SKU: CRT48651
$79.95
CURT 48505 Pintle Hook | Universal
CURT 48505 Pintle Hook | Universal
CURT 48505 Pintle Hook | Universal
CURT 48505 Pintle Hook | Universal

Curt

CURT 48505 Pintle Hook | Universal

SKU: CRT48505
$159.95
CURT 48626 Lunette Ring | Universal
CURT 48626 Lunette Ring | Universal
CURT 48626 Lunette Ring | Universal
CURT 48626 Lunette Ring | Universal

Curt

CURT 48626 Lunette Ring | Universal

SKU: CRT48626
$179.95
CURT 48411 2 Ball & Pintle Hitch | Universal
CURT 48411 2 Ball & Pintle Hitch | Universal
CURT 48411 2 Ball & Pintle Hitch | Universal
CURT 48411 2 Ball & Pintle Hitch | Universal
CURT 48411 2 Ball & Pintle Hitch | Universal

Curt

CURT 48411 2 Ball & Pintle Hitch | Universal

SKU: CRT48411
$203.95
CURT 48406 2-5/16 Receiver-Mount Ball & Pintle Hitch
CURT 48406 2-5/16 Receiver-Mount Ball & Pintle Hitch
CURT 48406 2-5/16 Receiver-Mount Ball & Pintle Hitch

Curt

CURT 48406 2-5/16 Receiver-Mount Ball & Pintle Hitch

SKU: CRT48406
$183.95
CURT 17057 Round Bar Weight Distribution Hitch with 10k-14k lb Load Capacity | Universal
CURT 17057 Round Bar Weight Distribution Hitch with 10k-14k lb Load Capacity | Universal
CURT 17057 Round Bar Weight Distribution Hitch with 10k-14k lb Load Capacity | Universal
CURT 17057 Round Bar Weight Distribution Hitch with 10k-14k lb Load Capacity | Universal
CURT 17057 Round Bar Weight Distribution Hitch with 10k-14k lb Load Capacity | Universal

Curt

CURT 17057 Round Bar Weight Distribution Hitch with 10k-14k lb Load Capacity | Universal

SKU: CRT17057
$501.95
CURT 48405 Receiver-Mount & Pintle Hook | Universal
CURT 48405 Receiver-Mount & Pintle Hook | Universal
CURT 48405 Receiver-Mount & Pintle Hook | Universal
CURT 48405 Receiver-Mount & Pintle Hook | Universal

Curt

CURT 48405 Receiver-Mount & Pintle Hook | Universal

SKU: CRT48405
$126.95
B&W TS10049B Black Tow & Stow Triple Ball Hitch with 2 inch Shank, 7 inch Drop, 7.5 inch Rise | Universal
B&W TS10049B Black Tow & Stow Triple Ball Hitch with 2 inch Shank, 7 inch Drop, 7.5 inch Rise | Universal
B&W TS10049B Black Tow & Stow Triple Ball Hitch with 2 inch Shank, 7 inch Drop, 7.5 inch Rise | Universal
B&W TS10049B Black Tow & Stow Triple Ball Hitch with 2 inch Shank, 7 inch Drop, 7.5 inch Rise | Universal

B&W Trailer hitches

B&W TS10049B Black Tow & Stow Triple Ball Hitch with 2 inch Shank, 7 inch Drop, 7.5 inch Rise | Universal

SKU: BNWTS10049B
$309
B&W TS10048BB Browning Tow & Stow Triple Ball Hitch with 2 inch Shank, 5 inch Drop, 5.5 inch Rise | Universal
B&W TS10048BB Browning Tow & Stow Triple Ball Hitch with 2 inch Shank, 5 inch Drop, 5.5 inch Rise | Universal
B&W TS10048BB Browning Tow & Stow Triple Ball Hitch with 2 inch Shank, 5 inch Drop, 5.5 inch Rise | Universal

B&W Trailer hitches

B&W TS10048BB Browning Tow & Stow Triple Ball Hitch with 2 inch Shank, 5 inch Drop, 5.5 inch Rise | Universal

SKU: BNWTS10048BB
$309
B&W TS10048B Black Tow & Stow Triple Ball Hitch with 2 inch Shank, 5 inch Drop, 5.5 inch Rise | Universal
B&W TS10048B Black Tow & Stow Triple Ball Hitch with 2 inch Shank, 5 inch Drop, 5.5 inch Rise | Universal
B&W TS10048B Black Tow & Stow Triple Ball Hitch with 2 inch Shank, 5 inch Drop, 5.5 inch Rise | Universal

B&W Trailer hitches

B&W TS10048B Black Tow & Stow Triple Ball Hitch with 2 inch Shank, 5 inch Drop, 5.5 inch Rise | Universal

SKU: BNWTS10048B
$279
B&W TS10047B Black Tow & Stow Triple Ball Hitch with 2 inch Shank, 3 inch Drop, 3.5 inch Rise | Universal
B&W TS10047B Black Tow & Stow Triple Ball Hitch with 2 inch Shank, 3 inch Drop, 3.5 inch Rise | Universal
B&W TS10047B Black Tow & Stow Triple Ball Hitch with 2 inch Shank, 3 inch Drop, 3.5 inch Rise | Universal

B&W Trailer hitches

B&W TS10047B Black Tow & Stow Triple Ball Hitch with 2 inch Shank, 3 inch Drop, 3.5 inch Rise | Universal

SKU: BNWTS10047B
$249
B&W TS10050B Black Tow & Stow Triple Ball Hitch with 2 inch Shank, 9 inch Drop, 9.5 inch Rise | Universal
B&W TS10050B Black Tow & Stow Triple Ball Hitch with 2 inch Shank, 9 inch Drop, 9.5 inch Rise | Universal

B&W Trailer hitches

B&W TS10050B Black Tow & Stow Triple Ball Hitch with 2 inch Shank, 9 inch Drop, 9.5 inch Rise | Universal

SKU: BNWTS10050B
$359
B&W TS10038B Black Tow & Stow 1-7/8x2 Dual Ball Hitch with 2 inch Shank, 5 inch Drop, 5.5 inch Rise | Universal
B&W TS10038B Black Tow & Stow 1-7/8x2 Dual Ball Hitch with 2 inch Shank, 5 inch Drop, 5.5 inch Rise | Universal
B&W TS10038B Black Tow & Stow 1-7/8x2 Dual Ball Hitch with 2 inch Shank, 5 inch Drop, 5.5 inch Rise | Universal

B&W Trailer hitches

B&W TS10038B Black Tow & Stow 1-7/8x2 Dual Ball Hitch with 2 inch Shank, 5 inch Drop, 5.5 inch Rise | Universal

SKU: BNWTS10038B
$269
B&W TS10037B Black Tow & Stow 2x2-5/16 Dual Ball Hitch with 2 inch Shank, 5 inch Drop, 5.5 inch Rise | Universal
B&W TS10037B Black Tow & Stow 2x2-5/16 Dual Ball Hitch with 2 inch Shank, 5 inch Drop, 5.5 inch Rise | Universal
B&W TS10037B Black Tow & Stow 2x2-5/16 Dual Ball Hitch with 2 inch Shank, 5 inch Drop, 5.5 inch Rise | Universal

B&W Trailer hitches

B&W TS10037B Black Tow & Stow 2x2-5/16 Dual Ball Hitch with 2 inch Shank, 5 inch Drop, 5.5 inch Rise | Universal

SKU: BNWTS10037B
$269

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2004.5-2005 6.6L Silverado & Sierra 2500HD/3500HD

Power Lift Shop All

Your GM 2500HD/3500HD is designed for towing heavy loads, but upgrading key components can further boost its towing capabilities. We offer a range of durable hitches with high load capacities and tongue strength, as well as upgraded receivers and more. Our selection also features extended helper springs and air spring kits, specifically designed to support heavier loads and prevent rear-end sag. Whether you're towing an RV or a heavy trailer, we have the upgrades you need for safe and efficient towing. Pair your towing upgrades with our selection of Brake Upgrades.  GM Duramax Fitments: 2004, 2005 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.

GM Duramax>2004.5-2005 6.6L LLY
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