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Overview

The Firestone 4179 Coil-Rite Air Helper Spring Kit enhances vehicle stability, reduces body roll, and improves ride comfort when carrying heavy loads. Designed for the rear axle, it fits directly inside existing coil springs for balanced load support and easy manual air adjustment

Firestone 4179 Coil-Rite Rear Air Helper Spring Kit – Fits 2005–2010 Odyssey, Pilot & MDX – Load Support & Smoother Ride

Model: Coil-Rite
Web Code: 19636528
Sold and shipped by | 3.6 seller rating (30 reviews)

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Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

The Firestone 4179 Coil-Rite Air Helper Spring Kit fits 2005–2010 Odyssey, Pilot, and MDX models, providing up to 1,000 lbs of additional load support. Made from durable polyurethane, the air springs install inside the rear coil springs to improve stability, reduce body roll, and deliver a smoother ride. Designed for quick, no-drill installation on most vehicles, the kit includes springs, hardware, airline, and valves for manual inflation.

Features

Compatible with 2005–2010 Honda Odyssey, Honda Pilot & Acura MDX

Rear-axle air helper springs for improved ride stability and load leveling

Adjusts manually with individual inflation valves for smooth, balanced support

Helps reduce body roll, enhance braking, and improve tire wear

Designed to perform in extreme temperatures from -40°F to 180°F

Elastic polyurethane construction fits inside existing coil springs

Includes air springs, hardware, airline, and valves for inflation

Average installation time: 1–2 hours

Specifications

Brand: Airide (Firestone)

Model: Coil-Rite

Item Model Number: 4179

Manufacturer Part Number: 4179

OEM Part Number: 4179

Position: Rear

Special Features:

Air Spring Diameter: 4.75 in

Air Spring Length: 6.5 in

Load Capacity: 1,000 lbs

Drilling Required: Yes

Replacement Air Spring: 6020

Fits Rear Axle

Material: Elastic Polyurethane

Exterior: Smooth

Product Dimensions: 22.86 × 22.86 × 27.94 cm

Item Weight: 1.22 kg

Included: Air springs, hardware, airline, valves

Not Compatible With: In-bed hitch

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

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