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/ / / / GM Silverado, Sierra Rear Leaf Spring | 3 leaves | 1,500 lbs. Capacity

GM Silverado, Sierra Rear Leaf Spring | 3 leaves | 1,500 lbs. Capacity

SKU 22-1221
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$124.75
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Product Specifications

  • Length (A): 32 Inches
  • Length (B):32 Inches
  • Width:2-1/2 Inches
  • Location:Rear
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  • 20+ In Stock
  • In Stock Orders received before 1pm EST Monday - Friday are shipped same day!

Product Specs for Leaf Springs 22-1221

  • Length (A): 32 Inches
  • Length (B):32 Inches
  • Width:2-1/2 Inches
  • Location:Rear
  • Number of Leaves:3
  • SRI Number:22-1221
  • OEM Number:15033928, 15246971
  • Arc (C):6-7/8 Inches
  • Pack Thickness (D):1-3/4 Inches
  • Capacity:1,500 lbs.
  • Front Bushing:Included / RB-250
  • Rear Bushing:Included / RB-172
  • Spring Construction:1st Stage 1/401 1/423, 2nd Stage 1/750
  • MPN: 22-1221
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Leaf Springs 22-1221 Details

Leaf Springs Important Role

Your leaf springs are one of the most important parts of your trucks suspension. If your leaf springs are shot or showing fatigue from old age, it is recommended to change them both out at the same time. If you only change one leaf spring, it is common that your truck will lean toward the side with the older leaf spring. If you purchase one leaf spring and decided to replace the other one at a later date, you may receive a spring from another manufacturer as we source our springs from multiple manufacturers. It is recommend to replace them in pairs to guarantee a match.

Replacing your leaf springs with a high quality OEM leaf spring from Michigan Truck Spring will help improve your ride in the following ways:

  • Less bounce, which means more solid contact with the road and therefore longer tire life.
  • Driver comfort is greatly improved.
  • Your payload sits tight, significantly reducing cargo damage.
  • Smoother ride and less bottoming out.
  • Safety! Your truck will handle better which means it's safer.

All the leaf springs at TruckSpring.com are made to or exceed OEM quality:

  • Made from SAE 5160 Steel, Same as OEM leaf springs.
  • All raw steel is manufactured by steel mills that use the continuous cast (Stran-cast) process, same as OEM leaf springs.
  • Each leaf from the leaf springs is shot peened to specific intensity and coverage.
  • Each leaf spring is coated to prevent corrosion and rust.

If you have any questions about how to identify the correct leaf spring for your vehicle or need bolts or other replacement parts, call us at 1-800-358-4751.

Vehicle Application Guide for Leaf Springs 22-1221

The 22-1221 GM Silverado, Sierra Rear Leaf Spring | 3 leaves | 1,500 lbs. Capacity is engineered to work with specific vehicles displayed below. Can't find your vehicle, or need assistance, please give us a call at 1-800-358-4751 or 1-989-755-0561. Browse the category GMC/Chevrolet Leaf Springs - Auto, Truck, RV , to view all vehicle makes and models.

  • Chevrolet
  • GMC
YearMakeModelVehicle OptionInstallation Notes
1999 Chevrolet Silverado 1500Fits 2 Wheel Drive; Fits 4 Wheel DriveDo not use on Z71 models. Spring 22-1567 is recommended for Z71 models or for those wanting a higher arch and capacity spring.
2000 Chevrolet Silverado 1500Fits 2 Wheel Drive; Fits 4 Wheel DriveDo not use on Z71 models. Spring 22-1567 is recommended for Z71 models or for those wanting a higher arch and capacity spring.
2001 Chevrolet Silverado 1500Fits 2 Wheel Drive; Fits 4 Wheel DriveDo not use on Z71 models. Spring 22-1567 is recommended for Z71 models or for those wanting a higher arch and capacity spring.
2002 Chevrolet Silverado 1500Fits 2 Wheel Drive; Fits 4 Wheel DriveDo not use on Z71 models. Spring 22-1567 is recommended for Z71 models or for those wanting a higher arch and capacity spring.
2003 Chevrolet Silverado 1500Fits 2 Wheel Drive; Fits 4 Wheel DriveDo not use on Z71 models. Spring 22-1567 is recommended for Z71 models or for those wanting a higher arch and capacity spring.
2004 Chevrolet Silverado 1500Fits 2 Wheel Drive; Fits 4 Wheel DriveDo not use on Z71 models. Spring 22-1567 is recommended for Z71 models or for those wanting a higher arch and capacity spring.
2005 Chevrolet Silverado 1500Fits 2 Wheel Drive; Fits 4 Wheel DriveDo not use on Z71 models. Spring 22-1567 is recommended for Z71 models or for those wanting a higher arch and capacity spring.
2006 Chevrolet Silverado 1500Fits 2 Wheel Drive; Fits 4 Wheel DriveDo not use on Z71 models. Spring 22-1567 is recommended for Z71 models or for those wanting a higher arch and capacity spring.
2006 GMC Sierra 1500Fits 2 Wheel Drive; Fits 4 Wheel DriveDo not use on Z71 models. Spring 22-1567 is recommended for Z71 models or for those wanting a higher arch and capacity spring.
2005 GMC Sierra 1500Fits 2 Wheel Drive; Fits 4 Wheel DriveDo not use on Z71 models. Spring 22-1567 is recommended for Z71 models or for those wanting a higher arch and capacity spring.
2004 GMC Sierra 1500Fits 2 Wheel Drive; Fits 4 Wheel DriveDo not use on Z71 models. Spring 22-1567 is recommended for Z71 models or for those wanting a higher arch and capacity spring.
2002 GMC Sierra 1500Fits 2 Wheel Drive; Fits 4 Wheel DriveDo not use on Z71 models. Spring 22-1567 is recommended for Z71 models or for those wanting a higher arch and capacity spring.
2003 GMC Sierra 1500Fits 2 Wheel Drive; Fits 4 Wheel DriveDo not use on Z71 models. Spring 22-1567 is recommended for Z71 models or for those wanting a higher arch and capacity spring.
1999 GMC Sierra 1500Fits 2 Wheel Drive; Fits 4 Wheel DriveDo not use on Z71 models. Spring 22-1567 is recommended for Z71 models or for those wanting a higher arch and capacity spring.
2000 GMC Sierra 1500Fits 2 Wheel Drive; Fits 4 Wheel DriveDo not use on Z71 models. Spring 22-1567 is recommended for Z71 models or for those wanting a higher arch and capacity spring.
2001 GMC Sierra 1500Fits 2 Wheel Drive; Fits 4 Wheel DriveDo not use on Z71 models. Spring 22-1567 is recommended for Z71 models or for those wanting a higher arch and capacity spring.

Customer Q&A - Leaf Springs 22-1221

Ask A Question
According to my GM dealer the mounting bolts for these springs are metric. I see you list a standard 9/16 x 4.5 inch bolt. Will I have to do any drilling to use your product ?

Asked
No drilling will be required if a 9/16" bolt is used. There is only a 0.01" difference in the size of the OEM 14mm bolt and a 9/16" bolt.

Does these springs fit a 00 chevy silverado1500 ext cab?

Asked
These 22-1221 springs will fit a 2000 Silverado 1500 extended cab. This is an exact replacement for the original 3 leaf spring.

will they fit a 2007 silverado crew cab lt 2wd

Asked
This spring would fit a 2007 Chevy Silverado Crew Cab but it is not recommended. This 22-1221 spring is lighter and a lower arch than what the truck was originally equipped with so the rear of the truck will sit lower. The correct 3 leaf spring for a 2007 - 2013 model is a 22-1567.

I am thinking about attempting to change the leaf springs on my 04 1500. Can I install these with basic tools and a floor jack? Alot of the information out there looks like it's impossible to get the shackle bolts out with the bed attached. Please help before I buy! Thank you.

Asked
When it comes to installing springs, some trucks will be more difficult than others. In many cases the bolts may be corroded in the spring eyes or the shackle eyes and will need to be persuaded to move with percussion or heat. On some trucks the front spring bolt is impossible to remove without cutting or removing the fuel tank because the springs were installed before other components during vehicle assembly. The corrosion will be fully dependent on where the truck was used and how much salt they used on the roads. The front spring bolts will be obvious if you check under the truck and determine the direction that the bolt head is facing. In the best case scenario it can be done as a driveway project but in the worst case it will require cutting with a sawzall or a torch.

2002 4x4 Silverado 1500 Z71 suspension, what is the recommended leaf spring for rear. Your part number. Also recommended U bolt, nuts and washers and bump stop, plus nuts and washers?

Asked
The 22-1221 springs will fit your vehicle which is a 3 leaf spring. The following would be a list of the parts that you would need to replace the springs: U-bolts - 5-0995K, Shackles - E831-22, End bolts and nuts - C580412, SLN1011, C916412, SLN912, Timbren Kit GMRCK25S that what we recommend to take the place of the original bump stops.

Application: 2000 Silverado 1500 4WD 4.8L. The number stamped on the spring appears (pretty rusty) to be 15765128. Is this spring.(SKU 22-1221) the proper choice? The 8 digit number differs from that listed in the 'Specifications'. Is there a better choice, maybe the SKU 22-1269? The '69' is made in the USA. Is the quality, performance, and/or longevity better than the '21'? Thanks.

Asked
The 22-1221 spring is a 3 leaf spring. We have this in both an overseas brand and a USA brand 22-1221-USA. We have both in stock. The 22-1269 spring is a 5 leaf spring. We have these in both an overseas brand, and the USA brand 22-1269-USA We have them both in stock. All these springs are made to OEM specifications. The OEM number you provided crosses to the 22-1221. The 22-1269 spring would be a better load performance spring as it has more leaves and more weight carrying capacity. Both will work for your vehicle. Feel free to call us at 1-800-358-4751 if you have any additional questions.

Are these the same spring that fits a 05 chevy 4 door 2500 duramax?

Asked
The 2500HD will use a leaf spring with a higher weight capacity such as the 22-1269 or 22-1289. Although the 22-1221 will fit, the ride height and payload capacity will be effected and they are not recommended as a replacement.

22-1221 What shackle would i buy if i was going to buy the 22-1221 leaf spring

Asked
Traditionally the shackle we sell with the 22-1221 is the E831-22. It is always best to change in pairs. If changing one side only compare dimensions to confirm fit.

My 2005 Silverado has the "Comfort Ride" spring option. Which spring matches that car like ride quality? Thanks!

Asked
Silverado replacement leaf spring 22-1221 is the lightest weight capacity spring that was used on the 2005 Silverado 1500. You can verify which spring you have by checking the number OEM number on original spring (Stamped on bottom of second stage). The 22-1221 is the most commonly used spring on the 2005 Silverado 1500's. Feel free to call us at 1-800-358-4751 if you have any questions.

Are these springs correct for my truck with the z71 package?

Asked
This is correct for a 1999-2006 Chevy 1500. The Z71 package did not effect the spring used.

I have a 04 Gmc step side. One side is around 22" from center and the other end is around 28", will these fit a step side ?

Asked
The measurements that you provided do not match any springs for that model year truck. The measurements on the leaf springs should be taken following the curve of the spring not as a straight across from the center-bolt to the spring eye. The step side will not impact which spring to use. Feel free to call us at 1-800-358-4751 and we can help confirm the correct leaf spring.

will the three leaf spring, part # 22-1221 fit the 8' long bed chassis as well as 6' bed chassis

Asked
Yes, they will work with both the 6 and 8 foot bed. Some of the trucks used heavier springs, so if you want a direct replacement we recommend you verify the spring needed by OEM number on original spring (Stamped on bottom of second stage). They are all the same size and will work, but some have a heavier rating. Feel free to call us at 1-800-358-4751 if you have any questions.

Do you supply shackles and the fasteners to install these new leaf springs ? If so, can you please provide me with the part numbers ? Also need to know if the front mounting holes are different then the rear mounting holes ? GM specs a 14 mm for the rear and 16mm for the front.

Asked
E831-22 is the most common shackle sold with the 22-1221 springs. For mounting bolts we use part C580412, a 5/8" X 4-1/2" (1 per spring) for the front of the spring and part C916412, a 9/16" X 4-1/2" (2 per spring) for the rear spring eyes and the shackle bolts. The OEM does use metric bolts but the size difference is about 0.01" between the metric and the standard and there is a considerable price difference. Feel free to call us at 1-800-358-4751 if you have any questions regarding the mounting parts or anything else about the 22-1221 leaf springs.

Does the rear leaf springs (Part #: 22-1221) for a 1999 chevy silverado 1500 4wd 3 leaf system come with insulators and pads to prevent noise?

Asked
Yes, our replacement Silverado leaf spring part number 22-1221 for Silverado 1500's does include the pads to prevent noise.

Leaf Springs

At TruckSpring / Michigan Truck Spring, we obtain our leaf springs from various sources throughout the world. All of the manufacturers that we represent produce leaf springs that are as good as or better quality than OEM springs.

Virtually no vehicle manufacturer actually manufactures their own leaf springs. Like many other truck components, leaf springs are purchased from companies specializing in supplying parts to truck manufacturers. The springs we sell have the same or better quality as OEM springs and many times are purchased from the same manufacturer.

Leaf Springs Warranty

1 Year Limited Warranty

On all leaf springs.

What the warranty does not cover

Damage from accidents, corrosion, improper installation, incorrect applications, overloading, and custom applications that are not specified under the OEM cross references. This warranty does not cover loss of freight, loss of profit, equipment, or personal downtime. Any alteration of products will void the warranty. Warranty is void if new u-bolts are not installed when the new leaf spring is installed. Using existing u-bolts is a common cause for leaf spring breakage and failure.

How to get service

If a leaf spring failure results from a manufacturer defect, contact us at Michigan Truck Spring for support. You can contact us by phone at 1-800-358-4751 or by using our contact form.

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