Whiteline W56412 Front Upper Ctrl Arm Bushing for 2016-25 Mazda MX-5 124 Spider

Vehicle Fitment

• 2016-2025 Mazda MX-5 Miata (ND Soft Top - Sport, Club, Grand Touring, 100th Anniversary Special Edition - 1.5L Skyactiv-G I4, 2.0L Skyactiv-G I4, RWD)
• 2017-2025 Mazda MX-5 Miata RF (ND Retractable Fastback - Club, Grand Touring, 100th Anniversary Special Edition - 2.0L Skyactiv-G I4, RWD)
• 2017-2020 Fiat 124 Spider (Type 348 - Classica, Lusso, Abarth, Urbana - 1.4L MultiAir Turbo I4, RWD)

Fitment Notes

• Fitting position: Front Upper Control Arm - Inner
• Fits both ND1 (2016-2018) and ND2 (2019-2025) Mazda MX-5 generations
• Fiat 124 Spider (Type 348) shares the Mazda ND platform; confirmed fitment for all trim levels 2017-2020
• Wheel alignment required after installation (Front)
• Installation difficulty: Suspension specialist recommended; estimated install time 2 hours

Features

• Advanced synthetic elastomer compound delivers superior elasticity, memory retention, and long-term durability across all driving conditions
• Directly replaces over-compliant OEM rubber bushings - tightens upper arm geometry for sharper steering response and reduced flex under load
• Resists oil, grease, ozone, and weathering for a significantly longer service life than factory rubber
• Shell-with-flange design (Type 17) provides secure, precise seating in the upper control arm housing
• Maintains comfortable ride quality at everyday speeds while firming up under cornering, braking, and acceleration loads
• Protective coating on all metal components resists corrosion in all weather conditions
• Part of the WEK147 Essential Vehicle Kit for the Mazda MX-5 ND - pairs with W56413, W56414, and W56415
• Backed by Whiteline's Limited Lifetime Warranty

Specifications

• Part Number: W56412
• Fitting Position: Front Upper Control Arm - Inner
• Bushing Type: Type 17 - Shell With Flange
• Outer Diameter (A): 37.6 mm
• Inner Diameter (B): 22.2 mm
• Length (C): 53.2 mm
• Flange Thickness (D): 8 mm
• Flange OD (E): 48 mm
• Crush Tube Size: 22.2 x 12.3 x 53.5 mm
• Crush Tube Quantity: 4
• Warranty: Limited Lifetime

Included Components

• 4x Synthetic Elastomer Shell Bushings (with flange)
• 4x Steel Crush Tubes

Product Description

The Whiteline W56412 is a front upper control arm inner bushing kit engineered specifically for the 2016-2025 Mazda MX-5 Miata (ND Soft Top and RF) and the 2017-2020 Fiat 124 Spider. Both vehicles share the Mazda ND platform and upper front suspension geometry, making this a confirmed fitment across all trim levels of each model. Worn or over-compliant upper control arm bushings are a primary cause of vague steering, inconsistent cornering behavior, and accelerated tire wear - issues that are particularly noticeable on a driver-focused platform like the MX-5 ND.

Whiteline's Type 17 shell-with-flange synthetic elastomer bushings restore precise front suspension geometry by eliminating unwanted arm movement at the upper inner pivot points. The result is sharper turn-in response, more consistent handling feedback, and improved braking stability. Installation requires a hydraulic press and a front wheel alignment upon completion. A suspension specialist is recommended. This bushing kit is also included as part of the WEK147 Essential Vehicle Kit for the MX-5 ND, alongside W56413, W56414, and W56415, for a complete front bushing refresh.