Proud to be The 2024 Manufacturer Of The Year at The National Street Rod Association

EATON Detroit Spring

The leading manufacturer of leaf and coil springs for the street rod and restoration automotive industries

We Help Maintain American Icons by Manufacturing Leaf and Coil Springs Right Here in America

Phone: 1 (313) 963-3839
Fax: 1 (313) 963-7047

We Start with the O.E.M. Blueprints

Then we do our design magic and make leaf springs that really hold up. No sag, no squishy ride. Springs that work.

Worldwide Shipping

We ship from Detroit to anywhere in the world. Fit your vehicle with blueprint accurate American steel and cruise anywhere from Australia to Norway.

American Made For 85 Years

We have manufactured springs in Detroit since 1937, providing quality parts for major automotive companies, fleets, restoration specialists, hot rodders, and daily drivers.

Coil Springs For 1941-1942 Buick Series 40B Special 121 wb

Front Coil Springs, Rear Coil Springs

Restore, Lift, or Lower Your Buick Series 40B Special 121 wb

We design our springs from OEM blueprints, taking into account any modifications. Your suspension's design depends entirely on your vehicle's weight. The same vehicle with a different body style or engine size may require different springs. If what you need is not listed in our database, call during office hours at 1 (313) 963-3839 or request a quote.

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Buick Series 40B Special 121 wb Suspension Parts Directory

Other Related Models

Series 70 Roadmaster - Series 60 Century - Series 50 Super - Series 40 Special - Series 100 Skylark - Series 90 - Series 90 Limited - Series 40 - Series 90 Limited 140 wb - Series 80 Roadmaster - Series 80 Limited 133 wb - Series 60 - Series 50 - Series 40A Special 118 wb

Other Related Models

Series 40 Special - Series 40 - Series 40A Special 118 wb
1941 Buick Series 40B Special 121 wb

1941 Buick Series 40B Special 121 wb Model 41 4 DR Trunk Sedan-5P

Available Parts: Front Coil Springs, Rear Coil Springs

1941 Buick Series 40B Special 121 wb Model 44SE 4 DR Sedan Sup. Equipment

Available Parts: Front Coil Springs, Rear Coil Springs

1941 Buick Series 40B Special 121 wb Model 46 2 DR Business Coupe-2P

Available Parts: Front Coil Springs, Rear Coil Springs

1941 Buick Series 40B Special 121 wb Model 46S 2 DR Sedanet

Available Parts: Front Coil Springs, Rear Coil Springs

1941 Buick Series 40B Special 121 wb Model 46SSE 2 Dr Sedanet Sup Equipment

Available Parts: Front Coil Springs, Rear Coil Springs

1941 Buick Series 40B Special 121 wb Model 49 4 DR Estate Station Wagon-6P

Available Parts: Front Coil Springs, Rear Coil Springs

1942 Buick Series 40B Special 121 wb

1942 Buick Series 40B Special 121 wb Model 41 4 DR Trunk Sedan-5P

Available Parts: Front Coil Springs, Rear Coil Springs

1942 Buick Series 40B Special 121 wb Model 41SE Sedan Sub Equipment-4P

Available Parts: Front Coil Springs, Rear Coil Springs

1942 Buick Series 40B Special 121 wb Model 46 2 DR Business Sedanet-3P

Available Parts: Front Coil Springs, Rear Coil Springs

1942 Buick Series 40B Special 121 wb Model 46S 2 DR Family Sedanet-6P

Available Parts: Front Coil Springs, Rear Coil Springs

1942 Buick Series 40B Special 121 wb Model 46SSE Sedanent Sup. Equipment

Available Parts: Front Coil Springs, Rear Coil Springs

1942 Buick Series 40B Special 121 wb Model 49 4 DR Estate Station Wagon-6P

Available Parts: Front Coil Springs, Rear Coil Springs

Other Available Makes

Allstate · American Motors · Bricklin · Buick · Cadillac · Chevrolet · Chevrolet Truck · Chrysler · Cord · Daimler · DeSoto · Dodge · Dodge Truck · Dual Ghia · Edsel · Ford · Ford Truck · GMC · Honda · Hudson · Hudson Truck · Hummer · Hyundai · International · Jeep · Kaiser Darrin · Kaiser-Frazer · LaSalle · Lincoln · Mahindra · Mercury · MG · Nash · Nissan · Oldsmobile · Packard · Plymouth · Plymouth Truck · Pontiac · Rambler · Sebring Vanguard · Sterling · Studebaker · Studebaker Truck · Toyota · Triumph · Willys

Contact EATON Detroit Spring

Locate & Connect To EATON Detroit Spring

EATON Detroit Spring, Inc.
1555 Michigan Avenue
Detroit, MI 48216
Phone: 1 (313) 963-3839
Fax: 1 (313) 963-7047
Email: inquiries@eatonsprings.com

© 2025 EATON Detroit Spring, Inc.