Need expert help? Reach out to us via live chat MON-SAT, 9AM to 5PM ET, for support. Our specialists are ready to assist you!

Please, add your first item to the wishlist

Need expert help? Reach out to us via live chat MON-SAT, 9AM to 5PM ET, for support. Our specialists are ready to assist you!

Please, add your first item to the wishlist

Select vehicle to confirm fitment

Coil Spring Set – Front

PART#: 8558
Moog
Interchanges
BrandPart #
FordD5FZ-5310F / D5FZ5310F
FordD5FZ-5310K / D5FZ5310K
MevotechSMS8558
FordD5ZW5310KA
FordD5FZ-5310G / D5FZ5310G
FordD52W-5310GA / D52W5310GA
ACDelco45H0094
Centric Parts630.61033 / 63061033
FordD4ZW5310GA
NAPA277-3036 / 2773036
FordD6FZ-5310G / D6FZ5310G
FordD4FZ-5310G / D4FZ5310G
FordD5FZ-5310H / D5FZ5310H
FordD5ZW5310HA
TRW Steering and Suspension PartsCS8558
FordD42W-5310GA / D42W5310GA
DuralastFCS8558S
FordD5ZW5310GA
FordD52W-5310HA / D52W5310HA
Mcquay-NorrisFCS8558S
Monroe Shocks & StrutsU8558S
FordD6FF-5310L / D6FF5310L
FordD52W-5310KA / D52W5310KA
Raybestos Brakes585-1094 / 5851094
Perfect Circle277-3036 / 2773036
Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
1979FordPintoBase2.8V6GASFrontConstant Rate Spring; with Air Conditioning | 2-door; Wagon;
1979FordPintoSquire2.8V6GASFrontConstant Rate Spring; with Air Conditioning | 2-door; Wagon;
1979FordPintoPony2.8V6GASFrontConstant Rate Spring; with Air Conditioning | 2-door; Wagon;
1979MercuryBobcatBase2.8V6GASFrontConstant Rate Spring; with Air Conditioning | 2-door; Wagon;
1979MercuryBobcatRunabout2.8V6GASFrontConstant Rate Spring; with Air Conditioning | 2-door; Wagon;
1979MercuryBobcatVillager2.8V6GASFrontConstant Rate Spring; with Air Conditioning | 2-door; Wagon;
1978FordMustang IIMach 12.8V6GASFrontConstant Rate Spring; with Air Conditioning
1978FordPintoSquire2.3L4GASFrontConstant Rate Spring; with Air Conditioning | 2-door; Wagon;
1978FordPintoPony2.3L4GASFrontConstant Rate Spring; with Air Conditioning | 2-door; Wagon;
1978FordPintoBase2.3L4GASFrontConstant Rate Spring; with Air Conditioning | 2-door; Wagon;
1978MercuryBobcatBase2.3L4GASFrontConstant Rate Spring; with Air Conditioning | 2-door; Wagon;
1978MercuryBobcatRunabout2.3L4GASFrontConstant Rate Spring; with Air Conditioning | 2-door; Wagon;
1978MercuryBobcatVillager2.3L4GASFrontConstant Rate Spring; with Air Conditioning | 2-door; Wagon;
1977FordPintoBase2.8V6GASFrontConstant Rate Spring; with Air Conditioning | 2-door; Sedan; | 2-door; Wagon; | 3-door; Sedan;
1977FordPintoPony2.8V6GASFrontConstant Rate Spring; with Air Conditioning | 2-door; Sedan; | 2-door; Wagon; | 3-door; Sedan;
1977FordPintoSquire2.3L4GASFrontConstant Rate Spring; with Air Conditioning | 2-door; Wagon;
1977FordPintoPony2.3L4GASFrontConstant Rate Spring; with Air Conditioning | 2-door; Wagon;
1977FordPintoSquire2.8V6GASFrontConstant Rate Spring; with Air Conditioning | 2-door; Sedan; | 2-door; Wagon; | 3-door; Sedan;
1977FordPintoBase2.3L4GASFrontConstant Rate Spring; with Air Conditioning | 2-door; Wagon;
1977MercuryBobcatRunabout2.8V6GASFrontConstant Rate Spring; Heavy Duty; with Air Conditioning | 2-door; Wagon; | 3-door; Sedan;
1977MercuryBobcatRunabout2.3L4GASFrontConstant Rate Spring; with Air Conditioning | 2-door; Wagon;
1977MercuryBobcatVillager2.3L4GASFrontConstant Rate Spring; with Air Conditioning | 2-door; Wagon;
1977MercuryBobcatBase2.8V6GASFrontConstant Rate Spring; with Air Conditioning | 2-door; Wagon;
1977MercuryBobcatBase2.3L4GASFrontConstant Rate Spring; with Air Conditioning | 2-door; Wagon;
1977MercuryBobcatVillager2.8V6GASFrontConstant Rate Spring; with Air Conditioning | 2-door; Wagon;
1976FordMustang IIGhia2.3L4GASFrontConstant Rate Spring; without Air Conditioning
1976FordMustang IIBase2.3L4GASFrontConstant Rate Spring; without Air Conditioning
1976FordPintoBase2.3L4GASFrontConstant Rate Spring; with Air Conditioning
1976FordPintoPony2.8V6GASFrontConstant Rate Spring; without Air Conditioning
1976FordPintoPony2.3L4GASFrontConstant Rate Spring; with Air Conditioning
1976FordPintoSquire2.8V6GASFrontConstant Rate Spring; without Air Conditioning
1976FordPintoBase2.8V6GASFrontConstant Rate Spring; without Air Conditioning
1976FordPintoSquire2.3L4GASFrontConstant Rate Spring; with Air Conditioning
1976MercuryBobcatMPG Runabout2.8V6GASFrontConstant Rate Spring; without Air Conditioning
1976MercuryBobcatVillager2.8V6GASFrontConstant Rate Spring; without Air Conditioning
1976MercuryBobcatVillager2.3L4GASFrontConstant Rate Spring; with Air Conditioning
1976MercuryBobcatS Runabout2.3L4GASFrontConstant Rate Spring; with Air Conditioning
1976MercuryBobcatRunabout2.8V6GASFrontConstant Rate Spring; without Air Conditioning
1976MercuryBobcatRunabout2.3L4GASFrontConstant Rate Spring; with Air Conditioning
1976MercuryBobcatS Runabout2.8V6GASFrontConstant Rate Spring; without Air Conditioning
1976MercuryBobcatMPG Runabout2.3L4GASFrontConstant Rate Spring; with Air Conditioning
1975FordMustang IIBase2.3L4GASFrontConstant Rate Spring; without Air Conditioning
1975FordMustang IIGhia2.3L4GASFrontConstant Rate Spring; without Air Conditioning
1975FordPintoBase2.8V6GASFrontConstant Rate Spring; without Air Conditioning
1975FordPintoBase2.3L4GASFrontConstant Rate Spring; with Air Conditioning
1975MercuryBobcatBase2.3L4GASFrontConstant Rate Spring; with Air Conditioning
1975MercuryBobcatBase2.8V6GASFrontConstant Rate Spring; without Air Conditioning
1974FordMustang II2+22.3L4GASFrontConstant Rate Spring; without Air Conditioning
1974FordMustang IIMach 12.3L4GASFrontConstant Rate Spring; without Air Conditioning
1974FordMustang IIGhia2.3L4GASFrontConstant Rate Spring; without Air Conditioning
1974FordMustang IIBase2.3L4GASFrontConstant Rate Spring; without Air Conditioning
1974FordPintoBase2.0L4GASFrontConstant Rate Spring; with Air Conditioning
1974FordPintoBase2.0L4GASFrontConstant Rate Spring; with Air Conditioning
1974FordPintoBase2.3L4GASFrontConstant Rate Spring; with Air Conditioning
Product info

The Moog Coil Spring Set part number 8558 is an excellent choice for those seeking reliable and long-lasting replacement coil springs for their Ford or Mercury vehicles.

These coil springs are engineered to meet or exceed OEM specifications, ensuring a perfect fit and optimal performance. They are compatible with several other part numbers, including D42W-5310GA, D4FZ-5310G, D4ZW5310GA, and D52W-5310GA, making them a versatile and convenient option for various vehicle makes and models.

The Moog Coil Spring Set is constructed with high-quality materials and advanced design features to provide superior durability and performance. These coil springs are heat-treated and shot-peened to improve their strength and resistance to wear and tear. They are also coated with a corrosion-resistant finish to protect against rust and other forms of damage, ensuring a longer lifespan and increased reliability.

One of the main benefits of the Moog Coil Spring Set is its ability to improve vehicle handling, stability, and ride quality. These coil springs are designed to maintain the proper ride height and weight distribution, providing a smoother and more comfortable driving experience. They also help to reduce body roll, nose dive, and other common issues associated with worn or damaged suspension components.

Overall, the Moog Coil Spring Set part number 8558 is an ideal choice for those seeking a high-quality and reliable replacement coil spring for their Ford or Mercury vehicle. With its advanced design features, superior durability, and excellent performance, this coil spring set is sure to provide years of reliable service and improved driving experiences.

About Moog

Moog is a company founded by two brothers in 1919. Today, the company is known for its steering, suspension, and chassis parts.

Notable for its high-quality products and forward-thinking design, Moog has become a trusted brand in the global automotive industry.

During the 1930s, the Moog brothers decided to start manufacturing front-end parts.

In 1937, technicians found out that the replacement parts manufactured by Moog outperformed the original factory components.

The innovation they brought to the design and manufacturing of these components helped them earn the “Problem Solver” status they’re known for to this day.

Moog continued to innovate in the following years, which helped them build a long-standing NASCAR relationship. The company currently holds more than 50 patents.

Moog has long been a leading expert in the automotive industry in the US but launched its operations in Europe in 2001.

The company has earned a phenomenal reputation in Europe, as well as other parts of the world.

Components that Moog is best known for designing and manufacturing include control arms, coil springs, tie rod ends, ball joints, stabilizer bar links, steering parts, and suspension bushings.

Each part developed by Moog is made with long-lasting performance and easy installation in mind.

Fitting Moog parts is quick and simple thanks to a wide range of full component kits and pre-fitted components.

Every product the company makes is designed and tested according to ISO standards. The main goal of the company is to ensure you can drive safely and comfortably.

Specifications
Bar Diameter - Inches0.57
Bar Diameter - MM14.70
End Type 1Squared
End Type 2Tangential
Feature 1Powder-coated to protect against corrosion
Feature 2Designed to lower stresses for longer service life
Feature 3All coil springs are 100% load tested
Feature 4Worn or sagging coil springs can cause premature tire wear due to vehicle misalignment
Free Height - Inches13.44
Free Height - MM341.40
ID - Inches3.51
ID - MM89.20
Installation Height - Inches9.50
Installation Height - MM241.30
Load - lbs1388.00
Spring Rate - lbs per inch353.00
Spring TypeConstant Rate
Warranty
We offer a 2-year warranty on all parts that we sell. If the part fails within 2 years of purchase, please contact us for instructions to replace it. The warranty does not cover normal wear and tear or improper installation. On many parts, we also offer Extend product protection, which is a way to add up to 3 additional years for 5 total years of worry free coverage. Select your preferred term length and you're covered!
Delivery & Returns

Delivery Info

Newparts.com is your go to store for all parts and accessories at the best price and delivered quickly. Every order we ship receives a tracking number so that you can watch it all the way until it reaches your door. We only ship using the major shipping carriers like FedEx, UPS and USPS to ensure quick and safe delivery of your new car parts order.

Returns Info

Newparts.com offers a thirty (30) day return for refund for all items purchased through Newparts.com. To qualify for return and refund, all items must be new and in their original manufacturers box. To initiate a return, please contact our customer service. This information is only a summary. Complete shipping and return policy information can be found in our web site policies.

Free shipping Icon

FREE SHIPPING

Available on all kits, sets & Bison performance products