Skip to content
Skip to product information
Description
If you're looking for a smoother ride for your vehicle that has a coil spring suspension, Firestone Coil-Rite air helper springs are what you need. Designed to fit inside existing coil springs to create a variable spring rate, Coil-Rite will level your vehicle and assist with more effective braking and handling, even under heavy loading and adverse road conditions.Coil-Rite enables you to control the air pressure in the air helper springs so you can make adjustments for varying loads and road conditions. Spring performance can be altered as easily as inflating a tire.Firestone Coil-Rite air helper springs are made of durable, elastic polyurethane, providing years of comfort and stability to your vehicle. The air springs will support 500-1000 lbs. per set (not to exceed vehicle's GVWR). Coil-Rite Air Helper Springs are designed to work in temperatures between 180deg F (82deg C) and -40deg F (-40deg C).
Installation Instructions
Installation Instructions
Warranty


This Part Fits:

Year Make Model Submodel
2008-2014 Cadillac Escalade Base
2009-2013 Cadillac Escalade Hybrid
2010-2013 Cadillac Escalade Hybrid Platinum
2011-2014 Cadillac Escalade Luxury
2008-2014 Cadillac Escalade Platinum
2011-2014 Cadillac Escalade Premium
2008-2014 Cadillac Escalade ESV Base
2011-2014 Cadillac Escalade ESV Luxury
2008-2014 Cadillac Escalade ESV Platinum
2011-2014 Cadillac Escalade ESV Premium
2008-2013 Cadillac Escalade EXT Base
2011-2013 Cadillac Escalade EXT Luxury
2011-2013 Cadillac Escalade EXT Premium
2011 Cadillac SRX Base
2011 Cadillac SRX Luxury
2011 Cadillac SRX Performance
2011 Cadillac SRX Premium
2013 Chevrolet Avalanche Black Diamond LS
2013 Chevrolet Avalanche Black Diamond LT
2013 Chevrolet Avalanche Black Diamond LTZ
2011-2012 Chevrolet Avalanche LS
2011-2012 Chevrolet Avalanche LT
2011-2012 Chevrolet Avalanche LTZ
2008-2014 Chevrolet Suburban 1500 LS
2008-2014 Chevrolet Suburban 1500 LT
2008-2014 Chevrolet Suburban 1500 LTZ
2008-2013 Chevrolet Suburban 2500 LS
2008-2013 Chevrolet Suburban 2500 LT
2008-2013 Chevrolet Tahoe Hybrid
2008-2014 Chevrolet Tahoe LS
2008-2014 Chevrolet Tahoe LT
2008-2014 Chevrolet Tahoe LTZ
2008-2014 Chevrolet Tahoe PPV
2012-2014 Chevrolet Tahoe SSV
2011 Chevrolet Traverse LS
2011 Chevrolet Traverse LT
2011 Chevrolet Traverse LTZ
2011 GMC Acadia Denali
2011 GMC Acadia SL
2011 GMC Acadia SLE
2011 GMC Acadia SLT
2011 GMC Terrain SLE
2011 GMC Terrain SLT
2008-2014 GMC Yukon Denali
2010-2013 GMC Yukon Denali Hybrid
2008-2013 GMC Yukon Hybrid
2008-2014 GMC Yukon SLE
2008-2014 GMC Yukon SLT
2008-2014 GMC Yukon XL 1500 Denali
2008-2014 GMC Yukon XL 1500 SLE
2008-2014 GMC Yukon XL 1500 SLT
2011-2012 GMC Yukon XL 2500 SLE
2011-2012 GMC Yukon XL 2500 SLT

Firestone Coil-Rite Air Helper Spring Kit Rear 08-14 GM SUV (W237604186)

Sale price $144.99
Regular price $189.42You saved$44.43 OFF

Shipping calculated at checkout

FIR4186

If you're looking for a smoother ride for your vehicle that has a coil spring suspension, Firestone Coil-Rite air helper springs are what you need. Designed to fit inside existing coil springs to create a variable spring rate, Coil-Rite will level your vehicle and assist with more effective braking and handling, even under heavy loading and adverse road conditions.Coil-Rite enables you to control the air pressure in the air helper springs so you can make adjustments for varying loads and road conditions. Spring performance can be altered as easily as inflating a tire.Firestone Coil-Rite air helper springs are made of durable, elastic polyurethane, providing years of comfort and stability to your vehicle. The air springs will support 500-1000 lbs. per set (not to exceed vehicle's GVWR). Coil-Rite Air Helper Springs are designed to work in temperatures between 180deg F (82deg C) and -40deg F (-40deg C).
Installation Instructions
Installation Instructions
Warranty


This Part Fits:

Year Make Model Submodel
2008-2014 Cadillac Escalade Base
2009-2013 Cadillac Escalade Hybrid
2010-2013 Cadillac Escalade Hybrid Platinum
2011-2014 Cadillac Escalade Luxury
2008-2014 Cadillac Escalade Platinum
2011-2014 Cadillac Escalade Premium
2008-2014 Cadillac Escalade ESV Base
2011-2014 Cadillac Escalade ESV Luxury
2008-2014 Cadillac Escalade ESV Platinum
2011-2014 Cadillac Escalade ESV Premium
2008-2013 Cadillac Escalade EXT Base
2011-2013 Cadillac Escalade EXT Luxury
2011-2013 Cadillac Escalade EXT Premium
2011 Cadillac SRX Base
2011 Cadillac SRX Luxury
2011 Cadillac SRX Performance
2011 Cadillac SRX Premium
2013 Chevrolet Avalanche Black Diamond LS
2013 Chevrolet Avalanche Black Diamond LT
2013 Chevrolet Avalanche Black Diamond LTZ
2011-2012 Chevrolet Avalanche LS
2011-2012 Chevrolet Avalanche LT
2011-2012 Chevrolet Avalanche LTZ
2008-2014 Chevrolet Suburban 1500 LS
2008-2014 Chevrolet Suburban 1500 LT
2008-2014 Chevrolet Suburban 1500 LTZ
2008-2013 Chevrolet Suburban 2500 LS
2008-2013 Chevrolet Suburban 2500 LT
2008-2013 Chevrolet Tahoe Hybrid
2008-2014 Chevrolet Tahoe LS
2008-2014 Chevrolet Tahoe LT
2008-2014 Chevrolet Tahoe LTZ
2008-2014 Chevrolet Tahoe PPV
2012-2014 Chevrolet Tahoe SSV
2011 Chevrolet Traverse LS
2011 Chevrolet Traverse LT
2011 Chevrolet Traverse LTZ
2011 GMC Acadia Denali
2011 GMC Acadia SL
2011 GMC Acadia SLE
2011 GMC Acadia SLT
2011 GMC Terrain SLE
2011 GMC Terrain SLT
2008-2014 GMC Yukon Denali
2010-2013 GMC Yukon Denali Hybrid
2008-2013 GMC Yukon Hybrid
2008-2014 GMC Yukon SLE
2008-2014 GMC Yukon SLT
2008-2014 GMC Yukon XL 1500 Denali
2008-2014 GMC Yukon XL 1500 SLE
2008-2014 GMC Yukon XL 1500 SLT
2011-2012 GMC Yukon XL 2500 SLE
2011-2012 GMC Yukon XL 2500 SLT
Firestone Coil-Rite Air Helper Spring Kit Rear 08-14 GM SUV (W237604186) - BOLT Motorsports
Firestone Coil-Rite Air Helper Spring Kit Rear 08-14 GM SUV (W237604186)

NOTE: We are experiencing delays in processing due to COVID-19. We are working around the clock to get your orders processed. In most cases, we are able to meet our standard processing times, however processing time may extend to 10 business days during this unprecedented time.

You will receive your order in the time allotted depending on your shipping choice, or sooner. Please note, the shipping time does not include processing time, which may take up to 3 business days.

After your payment is authorized and verified, it can still take up to 2 business days to process your order through our warehouses.

Business days do not include weekends or Holidays. Orders placed on Friday's after 12:00PM CST will begin processing the following Monday.

We reserve the right to ship with a different method than selected if it gets the item to you faster or the shipping service is unavailable for your item. If you selected ground service, regardless of the carrier, we may use a different carrier than what you selected. Your tracking number will reflect the service we have shipped with.

Faster than standard shipping may not be available for your item. In these cases, a refund for the difference in standard and accelerated shipping will be issued back to your payment method and you will be notified.

Shipping time is calculated in the shopping cart. Remember, this does not include processing time and may not be available for your item. If you have firm deadlines and require items urgently, please contact our live support representatives or email support@BoltMotorsports.com.

We use all major Carriers, including UPS, USPS and FedEx.

Address Changes are only allowed on a case-by-case basis and within 14 days of the original order placement. Please reach out to our support team to see if your order is eligible for address change.

ALL Branded Merchandise such as apparel and accessories ship via USPS for domestic orders (First class or Priority based on weight).

BRANDS: PROCHARGER AND HELLION TURBOS ARE EXCLUDED FROM THE ABOVE POLICY AND WILL FOLLOW THE BELOW.

Custom Order Disclaimer

ProCharger and Hellion Turbo products are deemed custom orders. Handling time may exceed 3 days and are subject to vendor's lead times. Once paid, your order is forwarded to the vendor within 2 hours, after which it cannot be cancelled and will be subject to return conditions. By purchasing, you agree to these terms. Please ensure you understand our return policy before purchase.

At Bolt Motorsports, we accept the following Payment Methods:

  • Visa
  • Mastercard
  • Discover
  • American Express
  • PayPal
  • Diners Club
  • Shop Pay
  • Apple Pay
  • Google Pay

Sales Tax

In compliance with state regulations, sales tax is required for orders shipping to specific states within the US. We reserve the right to charge sales tax in all 50 states, if required by state nexus laws.

RETURNS FOR BOLT MOTORSPORTS BRANDED MERCHANDISE (E.G., HATS, T-SHIRTS, STICKERS, ETC.)

PLEASE NOTE THAT ALL SALES ON BOLT MOTORSPORTS MANUFACTURED AND BRANDED ITEMS ARE FINAL.

Modifications to orders

Modifications to orders cannot be made once they have been placed.

Returns for Parts (e.g., Performance parts, OEM replacement parts, etc.)

Cancellations of existing orders are managed through a cancellation request and are not treated as returns. Please send an email to the below address for cancellation. Please include Order number, Part Number, Name, Email address, phone number and shipping address.

Support@BoltMotorsports.com

Restocking Fee

A 20% restocking fee will apply to all non-defective returns. Choosing store credit or an exchange will waive the restocking fee. Shipping charges are non-refundable. For orders with Free Shipping, the original shipping charges will also apply.

Free Shipping Disclaimer

Items eligible for free shipping promotions: When returned for convenience, the original shipping cost will be deducted from the refund, in addition to a 20% restocking fee. Shipping fees vary; for large items, such as coilovers, shipping fees can be around $125.

Note: Returns for store credit are still subject to the original shipping charges being deducted from the refund.

Order Changes

You may request an order change, provided it has not already been processed. We process orders rapidly, so it is likely that we will have processed your order immediately for shipment. As such, please exercise caution when placing orders to ensure you are selecting the correct items.

Your order may have not been cancelled for several reasons including:

  • The warehouse has picked the items for this order and are being packed.
  • The items are packaged and there is a label with tracking number on the box.
  • The order is closed, and the package has already shipped.

Refusal/Return to Sender Fees

IF A SHIPMENT IS REFUSED BY A RECIPIENT, OR RETURNED TO SENDER (RTS) DUE TO AN ADDRESS ISSUE, THE ASSOCIATED FEES WILL BE DEDUCTED FROM THE VALUE OF THE RETURN CREDIT ON TOP OF RESTOCKING FEES. THE COST OF THE REFUSAL/RTS FEES ARE DETERMINED BY BOLT MOTORSPORTS.

MISTAKES MADE ON ORDERS MAY RESULT IN CANCELLATION AND RETURN FEES, PARTICULARLY IF THE ORDER SHIPS RIGHT AWAY. TO SUBMIT A EMAIL TO:

SUPPORT@BOLTMOTORSPORTS.COM

Backorder/Preorder Items

Backorder and preorder items may be subject to cancellation fees. For more information, please contact us.

Typographical Errors

In the event a product is listed with an incorrect price or inaccurate information due to a typographical error or an error in pricing or product information received from our suppliers, Bolt Motorsports reserves the right to refuse or cancel any orders placed for the affected product. Bolt Motorsports reserves the right to refuse or cancel any such orders, whether the order has been confirmed and your credit card charged. If your credit card has already been charged for the purchase and your order is canceled, Bolt Motorsports shall immediately issue a credit to your credit card account in the amount of the charge. Please note that the time for actual use of money returned is based on your financial institution. Typically, this is 5-10 business days.

Order Acceptance Policy

Your receipt of an electronic or other form of order confirmation does not signify our acceptance of your order, nor does it constitute confirmation of our offer to sell. Bolt Motorsports reserves the right at any time after receipt of your order to accept or decline your order for any reason. Bolt Motorsports also reserves the right, to supply less than the quantity you ordered of any item. Bolt Motorsports will make every reasonable attempt to reach our customer to inform of any order deviation, prior to closing the order complete on our end. All orders over $2000.00 (U.S.) must obtain pre-approval with an acceptable method of payment, as established by our credit and fraud prevention department. We may require additional verifications or information before accepting any order.

Customer Information

Any customer information, including email addresses, received by Bolt Motorsports will be used solely in connection with your order and will not be sold or transferred to any third party. Periodically, Bolt Motorsports may wish to communicate with customers via email or electronic newsletter. If you do not wish to receive email communications from Bolt Motorsports, you may send an email to support@boltmotorsports.com with "remove from email list" in the subject line, and you will not receive any further email communications from us.

Security

Whether you are placing an order by phone or online, security is our top priority. All online transactions are sent through our secure server and encrypted with 128-bit technology. Once the information is received through the internet or by phone, our trusted authorized employees will process your payment and ensure that your information is handled with the highest level of security.