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

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    • Spring Tech 101

      We have been manufacturing springs for American vehicles for over 80 years. Our process and expertise has been continuously refined and improved over the century and our Spring Tech section reflects some of that specialty knowledge.

      Browse our many articles, watch videos produced in partnership with AutoRestoMod, and learn all about your spring suspension here.

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      • Leaf Springs
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    • Request A Quote
    • Email Our Sales Team
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  • Find Parts That Fit Your Vehicle
  • Click to Call Now: 1 (313) 963-3839
MENUMENU
  • Home
  • Products
    • Suspension Parts
      • Leaf Springs
      • Coil Springs
      • Shocks
      • Attaching Parts And Hardware
      • Installation Kits
      • Leaf Spring Shackle Replacement Kits & Parts
    • Street Rod Suspension Parts
      • Mustang II Front End Springs
      • 48 Inch Truck Springs
    • Allstate - Chrysler
      • Allstate
      • American Motors
      • Bricklin
      • Buick
      • Cadillac
      • Chevrolet
      • Chevrolet Truck
      • Chrysler
    • Daimler - Ford
      • Daimler
      • DeSoto
      • Dodge
      • Dodge Truck
      • Edsel
      • Ford
      • Ford Truck
    • GMC - Jeep
      • GMC
      • Honda
      • Hudson
      • Hudson Truck
      • Hummer
      • International
      • Jeep
    • Kaiser Darrin - Nissan
      • Kaiser Darrin
      • Kaiser-Frazer
      • LaSalle
      • Lincoln
      • MAHINDRA
      • Mercury
      • MG
      • Nash
      • Nissan
    • Oldsmobile - Rambler
      • Oldsmobile
      • Plymouth
      • Plymouth Truck
      • Pontiac
      • Rambler
    • Sterling - Willys
      • Sterling
      • Studebaker
      • Studebaker Truck
      • Toyota
      • Willys
    • Request A Custom Quote
    • Search For Parts Here
  • Spring Tech
    • Learn About Leaf & Coil Springs
      • Spring Tech Articles
      • Tech Questions
      • Spring Tech Videos
      • Featured Elsewhere
      • EATON Detroit Spring Podcast
      • Buy Ford Manuals
    • Spring Tech 101

      We have been manufacturing springs for American vehicles for over 80 years. Our process and expertise has been continuously refined and improved over the century and our Spring Tech section reflects some of that specialty knowledge.

      Browse our many articles, watch videos produced in partnership with AutoRestoMod, and learn all about your spring suspension here.

    • Browse By Topic
      • Leaf Springs
      • Coil Springs
      • Attaching Parts
      • Ride Height & Stance
      • Ride Quality
      • Manufacturing Springs
      • Replacing Springs
      • Modifying Springs
      • Ordering Springs
  • About Us
    • About EATON Detroit Spring
    • Customer Showcase
    • Send Us Photos Of Your Ride!
    • Free Stuff For Car Shows!
    • Facebook
    • YouTube Channel
      • Spring Tech Videos
  • Order Here
    • Lookup & Purchase Your Vehicle's Parts
    • Request A Quote
    • Email Our Sales Team
    • Dealer Information
  • Find Parts That Fit Your Vehicle
  • Click to Call Now: 1 (313) 963-3839

Made From O.E.M. Blueprints

Get springs designed for your Buick Series 40B Special 121 wb. We use OEM Blueprints, so you know your vehicle will sit just like when it left the factory.

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

View All Buick Applications

Get Springs & Parts That Fit Your Buick Series 40B Special 121 wb's Suspension

  • Call 1 (313) 963-3839 with any questions.
     

Buick Series 40B Special 121 wb Coil Springs

Stock Height, Lowered, & Raised

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.

See Coil Springs That Fit Your Buick Series 40B Special 121 wb

Trusted By Professionals

In The Restoration and Hot Rod Industries

Restore your Buick Series 40B Special 121 wb back to it's prime - no matter when that was - with our factory and custom springs. The world's leading custom shops, companies, and hobbyists all use our springs for good reason: nobody can beat our design process, utilizing rare original blueprints to produce springs as close to the original as possible.

Order Suspension Parts For Your Buick Series 40B Special 121 wb

Buick Series 40B Special 121 wb Suspension Parts Directory

YearBody StyleEngine SizeProduct OrderingVehicle Parts Available
1941 Model 41 4 DR Trunk Sedan-5P L8 4.0L - 248cid Pricing & OrderingFront Coil, Rear Coil
1941 Model 44SE 4 DR Sedan Sup. Equipment L8 4.0L - 248cid Pricing & Ordering Front Coil, Rear Coil
1941 Model 46 2 DR Business Coupe-2P L8 4.0L - 248cid Pricing & Ordering Front Coil, Rear Coil
1941 Model 46S 2 DR Sedanet L8 4.0L - 248cid Pricing & Ordering Front Coil, Rear Coil
1941 Model 46SSE 2 Dr Sedanet Sup Equipment L8 4.0L - 248cid Pricing & Ordering Front Coil, Rear Coil
1941 Model 49 4 DR Estate Station Wagon-6P L8 4.0L - 248cid Pricing & Ordering Front Coil, Rear Coil
1942 Model 41 4 DR Trunk Sedan-5P L8 4.0L - 248cid Pricing & Ordering Front Coil, Rear Coil
1942 Model 41SE Sedan Sub Equipment-4P L8 4.0L - 248cid Pricing & Ordering Front Coil, Rear Coil
1942 Model 46 2 DR Business Sedanet-3P L8 4.0L - 248cid Pricing & Ordering Front Coil, Rear Coil
1942 Model 46S 2 DR Family Sedanet-6P L8 4.0L - 248cid Pricing & Ordering Front Coil, Rear Coil
1942 Model 46SSE Sedanent Sup. Equipment L8 4.0L - 248cid Pricing & Ordering Front Coil, Rear Coil
1942 Model 49 4 DR Estate Station Wagon-6P L8 4.0L - 248cid Pricing & Ordering Front Coil, Rear Coil

Other Available Makes

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

Our Featured Customers

  • Gary’s 1937 Buick Special (Model 48)

  • Bill’s 1966 Ford Mustang

  • Brian’s 1987 Buick Limited

  • Steven’s 1966, Ford Econoline

  • Ken’s 1956 Buick Special

  • Paul’s ’70 Dodge Challenger

  • Hugh’s 1972 Chevrolet Corvette

  • Richard’s 1933 Ford

  • Robert’s 1951 Hudson Pacemaker

  • Mike’s 1964 Dodge 330 Sedan

  • Dan’s 73 Dodge B100 van

  • Art’s 1964 Ford Galaxie 500XL Convertible

  • Art’s 1959 Plymouth Sport Fury Hdtp

  • Ron’s 1969 Dodge Super Bee

  • Chris’s 1969 chevelle

  • John’s 1976 Ford Gran Torino

  • Mike’s 65 Plymouth Belvedere 2

  • Jon’s 1973 Ford Gran Torino

  • Bill’s 1968 Chevy Camaro Convertible

  • Steve’s 1968 Camaro SS/RS

  • Kevin’s 1962 Ford Fairlane 500

  • Mark’s 1966 Rambler American

  • Robert’s 1968 Cougar XR-7

  • Ian’s 1971 AMC Hornet SC/360

  • Bert’s 1929 Ford RPU

  • Chuck’s 33 Essex Terraplane

  • Joe’s 1965 Pontiac Catalina Ventura

  • Steve’s 68 Camaro SS/RS

  • Donald’s 1968 Pontiac Lemans

  • Eddie’s 1950 Cadillac Coupe DeVille Series 62

  • Justin’s 1968 Chevorlet Camaro

  • Mike’s 1966 Pontiac GTO

  • Chris’s 1967

  • Courtney’s 1957 DeSoto FireFlite Sportsman

  • Tim’s 1961 Buick Special

  • Ronald’s 1970 AMC AMX

  • Courtney’s 2015 Limited Edition Shasta 1961 AirFlite Camper

  • Sam’s 1964 Ford Fairlane

  • Ron’s 1956 Ford Crown Victoria

  • William’s 1963 Studebaker Avanti

  • Alan’s 1968 Chevrolet Camaro Convertible

  • Brian’s 1952 Ford F1 truck

  • John’s 1966 Rambler Classic Convertible

  • Darren’s 1956 Ford Ranchwagon

  • Bob’s 1937 Dodge 1/2 ton pick-up

  • Gary’s 1932 Studebaker Indy Roadster

  • Jon’s 1967 Mustang Fastback GT

  • Geoff’s 1971 Ford Mustang Mach 1

  • James’s 1963 Lincoln continental

  • Daniel’s 1966 Dodge A100 Van

  • Steve’s 1940 Chevy coupe

  • James’s 1967 CHEVROLET CAMARO

  • Brian’s 51 Ford Custom Sedan

  • Roger’s 1975 Ford Bronco

  • Mike’s 1940 Chevrolet Master Deluxe business coupe

  • About EATON Detroit Spring, Inc.
  • Custom & Replacement Leaf Springs
  • Custom & Replacement Coil Springs
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Contact EATON Detroit Spring

  • Request A Quote
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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

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