Helper Springs for 2021 GMC Sierra 2500 HD

Listed below are the Helper Springs that are designed to work with the 2021 GMC Sierra 2500 HD. Please review the vehicle options and installation notes, to ensure you select the correct product for your GMC Sierra 2500 HD. Need assistance selecting the right Hellwig, Supersprings, or Timbren product? We're here to help - please call us at 1-800-358-4751.

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SKU GMRCK25D

$323.23

$269.36

Timbren SES Bump Stop | Rear | 8,600 lbs. Capacity

Timbren kit GMRCK25D fits rear applications for the 2WD/4WD Chevy Silverado and GMC Sierra 2500 and ... Details

1 In Stock

Vehicle Fit
Specifications

Year	Make	Model	Vehicle Option	Installation Notes
2021	GMC	Sierra 2500 HD	Fits 4 Wheel Drive; Fits 2 Wheel Drive

Works on the Following Vehicles

2021 GMC Sierra 2500 HD
- Vehicle Option: Fits 4 Wheel Drive; Fits 2 Wheel Drive

Capacity:8,600 lbs.
Location: Fits Rear Axle
Instructions:Timbren GMRCK25D Installation Instructions.
UPC: 809933005263
MPN: GMRCK25D

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SKU GMFK25D

$323.23

$269.36

Timbren SES Bump Stop | Front | 8,000 lbs. Capacity

Timbren kit GMFK25D fits front applications for the 2WD/4WD Chevy Silverado and GMC Sierra 2500 and ... Details

Typically ships in 1 business day.

Vehicle Fit
Specifications

Year	Make	Model	Vehicle Option	Installation Notes
2021	GMC	Sierra 2500 HD	Fits 4 Wheel Drive; Fits 2 Wheel Drive

Works on the Following Vehicles

2021 GMC Sierra 2500 HD
- Vehicle Option: Fits 4 Wheel Drive; Fits 2 Wheel Drive

Capacity:8,000 lbs.
Location: Fits Front Axle
Instructions:Timbren GMFK25D Installation Instructions.
UPC: 809933005270
MPN: GMFK25D

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SKU GMRTT35D

$477.68

$398.07

Timbren SES Bump Stop | Rear | 8,000 lbs. Capacity

Timbren kit GMRTT35D fits rear applications for the 2WD/4WD GM Silverado and Sierra 2500 and 3500. Details

1 In Stock

Vehicle Fit
Specifications

Year	Make	Model	Vehicle Option	Installation Notes
2021	GMC	Sierra 2500 HD	Fits 4 Wheel Drive; Fits 2 Wheel Drive	For heavy-duty applications, slide-in campers, work vehicles, etc.

Works on the Following Vehicles

2021 GMC Sierra 2500 HD
- Vehicle Option: Fits 4 Wheel Drive; Fits 2 Wheel Drive
- Installation Notes: For heavy-duty applications, slide-in campers, work vehicles, etc.

Capacity:8,000 lbs.
Location: Fits Rear Axle
Instructions:Timbren GMRTT35D Installation Instructions.
UPC: 809933005355
MPN: GMRTT35D

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SKU HW2551-25303

$759.82

$584.48

Hellwig Load Pro 25 Helper Spring | Rear Axle | 2500 lbs. Capacity

The Hellwig 2551 Load Pro 25 kit is designed to give your truck up to 2500 pounds of load leveling c... Details

1 In Stock

Vehicle Fit
Specifications

Year	Make	Model	Vehicle Option	Installation Notes
2021	GMC	Sierra 2500 HD	Fits 2 Wheel Drive; Fits 4 Wheel Drive	Includes 2551 spring and 25303 mounting kit.

Works on the Following Vehicles

2021 GMC Sierra 2500 HD
- Vehicle Option: Fits 2 Wheel Drive; Fits 4 Wheel Drive
- Installation Notes: Includes 2551 spring and 25303 mounting kit.

Location: Fits Rear Axle
Capacity:2,500 lbs.
Instructions: Hellwig 2551-25303 Helper Springs Instructions.
Note:Includes Mounting Kit 25303
MPN: 2551-25303

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SKU HW3551-25303

$850.38

$654.14

Hellwig Load Pro 35 Helper Spring | Rear Axle | 3500 lbs. Capacity

The Hellwig 3551 Load Pro 35 kit is designed to give your truck up to 3500 pounds of load levleing c... Details

Typically ships in 6-8 weeks.

Vehicle Fit
Specifications

Year	Make	Model	Vehicle Option	Installation Notes
2021	GMC	Sierra 2500 HD	Fits 2 Wheel Drive; Fits 4 Wheel Drive	Includes 3551 spring and 25303 mounting kit.

Works on the Following Vehicles

2021 GMC Sierra 2500 HD
- Vehicle Option: Fits 2 Wheel Drive; Fits 4 Wheel Drive
- Installation Notes: Includes 3551 spring and 25303 mounting kit.

Location: Fits Rear Axle
Capacity:3,500 lbs.
Instructions: Hellwig 3551-25303 Helper Springs Instructions.
Note:Includes Mounting Kit 25303
MPN: 3551-25303

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SKU SSR-203-47-2

$834.59

$641.99

SumoSprings Suspension Kit | SuperSprings | Rear | GM

SumoSprings Rebel two-piece patented micro-cellular polyurethane foam helper springs SSR-203-47-2 fo... Details

Typically ships in 1 business day.

Vehicle Fit
Specifications

Year	Make	Model	Vehicle Option	Installation Notes
2021	GMC	Sierra 2500 HD	Fits 2 Wheel Drive; Fits 4 Wheel Drive	For pickup models only, Do Not use on chassis cab models. 4,600 lbs. capacity at 50% compression.

Works on the Following Vehicles

2021 GMC Sierra 2500 HD
- Vehicle Option: Fits 2 Wheel Drive; Fits 4 Wheel Drive
- Installation Notes: For pickup models only, Do Not use on chassis cab models. 4,600 lbs. capacity at 50% compression.

Capacity:4,600 lbs.
Height:7.00 inches
Diameter:6.00 inches
Note:Kit includes a pair, 2 SumoSprings.
Instructions:SumoSprings SSR-203-47-2 Installation Instructions.
Drilling Required:No
MPN: SSR-203-47-2

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SKU HW61915

$619.65

$474.00

Hellwig Pro Series Helper Spring | Rear Axle | 2500 lbs. Capacity

Hellwig 61915 Pro Series Steel Helper Springs with SilentRide includes 2 steel helper springs, 2 pol... Details

1 In Stock

Vehicle Fit
Specifications

Year	Make	Model	Vehicle Option	Installation Notes
2021	GMC	Sierra 2500 HD	Fits 2 Wheel Drive; Fits 4 Wheel Drive

Works on the Following Vehicles

2021 GMC Sierra 2500 HD
- Vehicle Option: Fits 2 Wheel Drive; Fits 4 Wheel Drive

Location: Fits Rear Axle
Capacity:2,500 lbs.
Instructions:Hellwig 61915 Helper Springs Instructions.
Note:Includes a pair of helper springs, one for each side.
UPC: 745662619152
MPN: 61915

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SKU SPCRGMRCK25S

$71.34

$69.95

Spacer Kit | Timbren | GM 2500

Timbren spacer kit SPCRGMRCK25S for the Chevy Silverado and GMC Sierra 2500. Details

1 In Stock

Vehicle Fit
Specifications

Year	Make	Model	Vehicle Option	Installation Notes
2021	GMC	Sierra 2500 HD	Fits 2 Wheel Drive; Fits 4 Wheel Drive	Designed to work with Timbren kit GMRCK25S.

Works on the Following Vehicles

2021 GMC Sierra 2500 HD
- Vehicle Option: Fits 2 Wheel Drive; Fits 4 Wheel Drive
- Installation Notes: Designed to work with Timbren kit GMRCK25S.

Instructions:Timbren SPCRGMRCK25S Installation Instructions.
UPC: 809933010731
MPN: SPCRGMRCK25S

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SKU SSA13MXKT

$1,033.47

$794.98

Helper Spring and Mounting Kit | SuperSprings | Rear Axle | 3000 lbs. Capacity

SuperSprings Helper Spring Kit SSAMXKT for the Chevy and GMC C2500, K2500, C3500 pickup, GMC Sierra ... Details

1 In Stock

Vehicle Fit
Specifications

Year	Make	Model	Vehicle Option	Installation Notes
2021	GMC	Sierra 2500 HD	Fits 2 Wheel Drive; Fits 4 Wheel Drive	Do not use on trucks equipped with a top overload spring.

Works on the Following Vehicles

2021 GMC Sierra 2500 HD
- Vehicle Option: Fits 2 Wheel Drive; Fits 4 Wheel Drive
- Installation Notes: Do not use on trucks equipped with a top overload spring.

Location: Fits Rear Axle
Capacity:3,000 lbs.
Height:0.976 inches
Width:3.00 inches
Length:49.00 inches
Instructions:SuperSprings SSA13 Installation Instructions.
Note:Includes MTKT mounting Kit.
MPN: SSA13MXKT

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SKU SSA16MXKT

$851.47

$654.98

Helper Spring and Mounting Kit | SuperSprings | Rear Axle | 1650 lbs. Capacity

SuperSprings Helper Spring Kit SSA16MXKT for the Chevy and GMC C2500, K2500, C3500, Chevy Silverado ... Details

Typically ships in 1 business day.

Vehicle Fit
Specifications

Year	Make	Model	Vehicle Option	Installation Notes
2021	GMC	Sierra 2500 HD	Fits 2 Wheel Drive; Fits 4 Wheel Drive	Do not use on trucks equipped with a top overload spring.

Works on the Following Vehicles

2021 GMC Sierra 2500 HD
- Vehicle Option: Fits 2 Wheel Drive; Fits 4 Wheel Drive
- Installation Notes: Do not use on trucks equipped with a top overload spring.

Location: Fits Rear Axle
Capacity:1,650 lbs.
Height:0.500 inches
Width:3.00 inches
Length:47.00 inches
Instructions:SuperSprings SSA16 Installation Instructions.
Note:Includes MXKT mounting Kit.
MPN: SSA16MXKT

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SKU SSF-202-47

$328.89

$252.99

SumoSprings Suspension Kit | SuperSprings | Front | GM

SumoSprings Solo one-piece patented micro-cellular polyurethane foam helper springs SSF-202-47 for t... Details

1 In Stock

Vehicle Fit
Specifications

Year	Make	Model	Vehicle Option	Installation Notes
2021	GMC	Sierra 2500 HD	Fits 2 Wheel Drive; Fits 4 Wheel Drive	1,800 lbs. capacity at 50% compression.

Works on the Following Vehicles

2021 GMC Sierra 2500 HD
- Vehicle Option: Fits 2 Wheel Drive; Fits 4 Wheel Drive
- Installation Notes: 1,800 lbs. capacity at 50% compression.

Capacity:1,800 lbs.
Height:3.00 inches
Diameter:3.00 inches
Note:Kit includes a 2 SumoSprings for each side, 4 SumoSprings.
Instructions:SumoSprings SSF-202-47 Installation Instructions.
Drilling Required:No
MPN: SSF-202-47

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SKU SSF-202-54

$330.19

$253.99

SumoSprings Suspension Kit | SuperSprings | Front | GM

SumoSprings Solo one-piece patented micro-cellular polyurethane foam helper springs SSF-202-54 for t... Details

Typically ships in 1 business day.

Vehicle Fit
Specifications

Year	Make	Model	Vehicle Option	Installation Notes
2021	GMC	Sierra 2500 HD	Fits 2 Wheel Drive; Fits 4 Wheel Drive	2,500 lbs. Capacity at 50% Compression.

Works on the Following Vehicles

2021 GMC Sierra 2500 HD
- Vehicle Option: Fits 2 Wheel Drive; Fits 4 Wheel Drive
- Installation Notes: 2,500 lbs. Capacity at 50% Compression.

Capacity:2,500 lbs.
Height:3.00 inches
Diameter:3.00 inches
Note:Kit includes a 2 SumoSprings for each side, 4 SumoSprings.
Instructions:SSF-202-54 Instructions.
Drilling Required:No
MPN: SSF-202-54

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SKU SSR-203-40-2

$821.59

$631.99

SumoSprings Suspension Kit | SuperSprings | Rear | GM

SumoSprings Rebel two-piece patented micro-cellular polyurethane foam helper springs SSR-203-40-2 fo... Details

Typically ships in 1 business day.

Vehicle Fit
Specifications

Year	Make	Model	Vehicle Option	Installation Notes
2021	GMC	Sierra 2500 HD	Fits 2 Wheel Drive; Fits 4 Wheel Drive	For pickup models only, Do Not use on chassis cab models. 2,600 lbs. capacity at 50% compression.

Works on the Following Vehicles

2021 GMC Sierra 2500 HD
- Vehicle Option: Fits 2 Wheel Drive; Fits 4 Wheel Drive
- Installation Notes: For pickup models only, Do Not use on chassis cab models. 2,600 lbs. capacity at 50% compression.

Capacity:2,600 lbs.
Height:7.00 inches
Diameter:6.00 inches
Note:Kit includes a pair, 2 SumoSprings.
Instructions:SumoSprings SSR-203-40-2 Installation Instructions.
Drilling Required:No
MPN: SSR-203-40-2

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SKU SSR-207-47

$328.89

$252.99

SumoSprings Suspension Kit | SuperSprings | Rear | GM

SumoSprings Solo one-piece patented micro-cellular polyurethane foam helper springs SSR-207-47 for t... Details

1 In Stock

Vehicle Fit
Specifications

Year	Make	Model	Vehicle Option	Installation Notes
2021	GMC	Sierra 2500 HD	Fits 2 Wheel Drive; Fits 4 Wheel Drive	For pickup models only. Do Not use on chassis cab models. 1,500 lbs. capacity at 50% compression.

Works on the Following Vehicles

2021 GMC Sierra 2500 HD
- Vehicle Option: Fits 2 Wheel Drive; Fits 4 Wheel Drive
- Installation Notes: For pickup models only. Do Not use on chassis cab models. 1,500 lbs. capacity at 50% compression.

Capacity:2,500 lbs.
Height:5.00 inches
Diameter:4.00 inches
Note:Kit includes a pair, 2 SumoSprings.
Instructions:SumoSprings SSR-207-47 Installation Instructions.
Drilling Required:No
MPN: SSR-207-47

Helper Springs Reviews

Out of 340 reviews, the average customer rating for Helper Springs: 4.7 out of 5.

sumosprings suspension kit for the ford f53 motor home - maxim, rear ssr-187-54-1 reviewer

Helper Springs - SuperSprings SSR-187-54-1 Rating: 4 Stars

So good so far but?

I have had these on my RV right around two years now and they definitely smoothed out and quieted the ride and also they help stabilize the rig in corners but I'm a little concerned how the yellow polyurethane foam has turned to a brownish color, is this a sine of the foam breaking down and d...

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Helper Springs - Timbren FR1504E Rating: 5 Stars

Best upgrade yet!!!!

This is the best thing I have ever put on my truck! This product does much more than it describes in the description! First, the squat is almost completly eliminated. I tow a 7800lb travel trailer and it used to squat with the weight distribution hitch about 6 inches. Now it is about an 1 1/2 in...

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Helper Springs - Timbren TORTUN4L Rating: 5 Stars

Huge Different Ride With Timber Ses

Well no more bumpy rides

Read the Review

Helper Springs - Timbren GMFK15A Rating: 5 Stars

Love This Product

Great product and made my plow truck sit up great in front end

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hellwig ez-990 medium duty helper spring 985 reviewer

Helper Springs - Hellwig 988 Rating: 5 Stars

I Would Buy Again!

Springs fit great, work great. Only issue we had was the instructions said to reuse original Ubolts, but they were 1/2 to 3/4 inch too short. Had to scramble to find replacements for next day. No other issues. Shipping was great and fast!!

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Helper Springs - Timbren GMRTT35C Rating: 5 Stars

I WOULD PURCHASE THIS PRODUCT AGAIN.

THESE WERE USED FOR THE REAR SPRINGS OF A 2007 CHEVROLET SILVERADO CLASSIC 3500 DUMP TRUCK. THEY CAME OUT OF THE PACKAGE AND BOLTED DIRECTLY INTO PLACE.

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Helper Springs - Timbren FF550SDE Rating: 5 Stars

Great Product And Customer Service

Great product and easy to install. Had them on the truck in 30 minutes. Needed these to haul a portable hydraulic tank. Smooth ride now. Thanks Truck Spring!!!

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hellwig ez-990 medium duty helper spring 987 reviewer

Helper Springs - Hellwig 987 Rating: 5 Stars

I Would Recommend These Guys Every Time.

These springs work great. Easy install. Great product!

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sumosprings suspension kit - rebel, rear ssr-301-40-2 reviewer

Helper Springs - SuperSprings SSR-301-40-2 Rating: 5 Stars

Easy Install Would Buy Again.

Installation was Very easy. I haven't put the fith wheel on yet to see how they handle the weight, but empty the truck handles with no difference, really happy about that.

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sumosprings suspension kit - front ssf-302-47 reviewer

Helper Springs - SuperSprings SSF-302-47 Rating: 5 Stars

Easy Easy Easy Work Great

Very easy to install I'm talking ten minutes and your done! No more sag idea for the snowplow sag

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Helper Springs - Timbren TORTUN4 Rating: 5 Stars

I Would Buy This Product Again

I haul a lot of brick in the bed of the truck where people run over mailboxes an I have to rebuild them. I love this product an was simple to put on if your haveing trouble with your truck squatting with a load behind it this is the answer way cheaper then air bags!!!!

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sumosprings suspension kit - solo, rear - heavy duty ssr-117-47 reviewer

Helper Springs - SuperSprings SSR-117-47 Rating: 5 Stars

Yes I Would.

Mount red these on my 2014 F150 with a travelite camper with shower. 1300 pound camper. Worked great. No more sagging. Truck is level in all terrain. Improved the handling considerably, on the road. Plus so easy to install only needs a few tools. Once I took the camper off. No jacks were needed, and you...

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