GM OEM Rear Leaf Spring | 5 Leaves | 575 lbs. Capacity

SKU 21-915

$241.72
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Product Specifications

  • Length (A): 25 Inches
  • Length (B):31 Inches
  • Width:2-1/2 Inches
  • Location:Rear
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  • Typically ships in 3 to 4 business days.

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Product Specs for Dayton 21-915

  • Length (A): 25 Inches
  • Length (B):31 Inches
  • Width:2-1/2 Inches
  • Location:Rear
  • Number of Leaves:5
  • SRI Number:21-915
  • Arc (C):8-1/2 Inches
  • Pack Thickness (D):1-11/16 Inches
  • Capacity:575 lbs.
  • Front Bushing:Included / RB-95
  • Rear Bushing:None - Berlin 1-5/8" Eye
  • Spring Construction:5/291 PAD/237
  • Note:1-5/8" eye uses (2) HB-1000 bushings; Order separately
    Generic image, product may vary from image shown
  • MPN: 21-915
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Dayton 21-915 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 Dayton 21-915

The 21-915 GM OEM Rear Leaf Spring | 5 Leaves | 575 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.

  • Buick
  • Chevrolet
  • Oldsmobile
  • Pontiac
YearMakeModelVehicle OptionInstallation Notes
1975 Buick Apollo1-5/8" eye uses (2) HB-1000 bushings, order separately.
1975 Buick Skylark1-5/8" eye uses (2) HB-1000 bushings, order separately.
1976 Buick Skylark1-5/8" eye uses (2) HB-1000 bushings, order separately.
1977 Buick Skylark1-5/8" eye uses (2) HB-1000 bushings, order separately.
1978 Buick Skylark1-5/8" eye uses (2) HB-1000 bushings, order separately.
1979 Buick Skylark1-5/8" eye uses (2) HB-1000 bushings, order separately.
1975 Chevrolet NovaReplaces multileaf springs, 2 1/2" Lift, 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1976 Chevrolet NovaReplaces multileaf springs, 2 1/2" Lift, 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1977 Chevrolet NovaReplaces multileaf springs, 2 1/2" Lift. 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1978 Chevrolet NovaReplaces multileaf springs, 2 1/2" Lift, 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1979 Chevrolet NovaReplaces multileaf springs, 2 1/2" Lift. 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1975 Oldsmobile Omega2 1/2" Lift. 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1976 Oldsmobile Omega2 1/2" Lift. 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1977 Oldsmobile Omega2 1/2" Lift. 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1978 Oldsmobile Omega2 1/2" Lift. 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1979 Oldsmobile Omega2 1/2" Lift. 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1977 Pontiac PhoenixReplaces multileaf springs, 2 1/2" Lift. 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1978 Pontiac PhoenixReplaces multileaf springs, 2 1/2" Lift, 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1979 Pontiac PhoenixReplaces multileaf springs, 2 1/2" Lift, 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1975 Pontiac VenturaReplaces multileaf springs, 2 1/2" Lift. 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1976 Pontiac VenturaReplaces multileaf springs, 2 1/2" Lift. 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1977 Pontiac VenturaReplaces multileaf springs, 2 1/2" Lift. 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1973 Buick Apollo1-5/8" eye uses (2) HB-1000 bushings, order separately.
1974 Buick Apollo1-5/8" eye uses (2) HB-1000 bushings, order separately.
1967 Chevrolet CamaroReplaces multileaf springs, 2 1/2" Lift. Springs use 5/16" center bolts. 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1968 Chevrolet CamaroReplaces multileaf springs, 2 1/2" Lift. Springs use 5/16" center bolts. 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1969 Chevrolet CamaroReplaces multileaf springs, 2 1/2" Lift. Springs use 5/16" center bolts. 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1970 Chevrolet NovaReplaces multileaf springs, 2 1/2" Lift. 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1971 Chevrolet NovaReplaces multileaf springs, 2 1/2" Lift, 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1972 Chevrolet NovaReplaces multileaf springs, 2 1/2" Lift, 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1973 Chevrolet NovaReplaces multileaf springs, 2 1/2" Lift, 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1974 Chevrolet NovaReplaces multileaf springs, 2 1/2" Lift, 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1973 Oldsmobile Omega2 1/2" Lift. 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1974 Oldsmobile Omega2 1/2" Lift. 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1967 Pontiac FirebirdReplaces multileaf springs, 2 1/2" Lift. Springs use 5/16" center bolts. 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1968 Pontiac FirebirdReplaces multileaf springs, 2 1/2" Lift. Springs use 5/16" center bolts. 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1969 Pontiac FirebirdReplaces multileaf springs, 2 1/2" Lift. Springs use 5/16" center bolts. 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1972 Pontiac VenturaReplaces multileaf springs, 2 1/2" Lift. 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1973 Pontiac VenturaReplaces multileaf springs, 2 1/2" Lift. 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1974 Pontiac VenturaReplaces multileaf springs, 2 1/2" Lift. 1-5/8" eye uses (2) HB-1000 bushings, order separately.
1969 Chevrolet NovaReplaces multileaf springs, 2 1/2" Lift. 1-5/8" eye uses (2) HB-1000 bushings, order separately.

Customer Q&A - Dayton 21-915


Dayton

Dayton Parts employs nearly 300 men and women in its manufacturing, sales and distribution operations, located in multiple facilities in Harrisburg, Pennsylvania and in Alberta, Canada. Their manufacturing plant features state-of-the-art taper spring manufacturing equipment and is capable of producing an infinite number of leaf spring designs, including advanced technology high-stress types.

Dayton Parts complete product offering of brake, spring, steering and suspension product lines are unrivaled in content, quality and coverage.

Today, Dayton Parts, LLC strives to employ groups of highly skilled specialists who ensure they will sustain and develop our prominent role in the aftermarket industry.

For more information, visit Dayton Parts.

Dayton Parts Warranty

1 Year Limited Warranty

Dayton Parts warrants its products against defects in workmanship or material for a period of 1 year.

What the warranty does not cover

Corrosion. Damage due to impact, accident, misuse, overloading or improper installation.

How to get service

If a Dayton product fails as a result 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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