FINAL DAY! $20 Off $250 $40 Off $500 / $80 Off $1,000 - Use Promo Code: LUV2SAVE

Make/Model Search
Make/Engine Search

Brands
Savings Central
Contact Us
Help Center

My Garage
Wish List
Order Status & Returns

Welcome
My Account

Order Status

Wish List
Savings Central
Shop by Brand
Shop Your Passion
- Shop Your Passion
- Truck / SUV
  
  Jeep®
  
  Restoration
  
  Stock Replacement
  
  Late Model Muscle
  
  Tools
  
  Gifts, Clothing, & More
  
  Circle Track
  
  Street Rod
  
  Powersports
  
  Paint & Body
  
  Marine
  
  Jr Dragster
Gift Cards
My Garage
See Our Catalogs
News & Events
Career Opportunities
Contact Us
Help Center
New Products
Shop by Make/Model
Sign In

Search Make/Model

Search Make/Engine

Sign In

Welcome
Account Dashboard
Profile
Order Status & Returns
Buy It Again
Wish List
Rewards Program
Gift Cards & Summit Bucks
Address Book
My Garage Settings
Email Preferences
Text Notifications
My Reviews
My Questions
Catalogs
Tax Exemption
Sign In

$20 Off $250 $40 Off $500 / $80 Off $1,000
FINAL DAY! Use Promo Code: LUV2SAVE

FREE SHIPPING on Orders Over $109!

Filters

In Stock
- In Stock Items. Ships Today. (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- In Stock Items, Including at a Supplier. Ships In a Few Days. (5) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (16) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Brand
- Rust Buster Frame Repair (8) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Mopar Performance (6) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- ACDelco (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Mopar Replacement (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Universal
- No (8) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Make/Model
Drivetrain
- 4WD (8) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- RWD (6) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Crossmember Material
- Steel (5) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Crossmember Color
- Natural (5) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Installation
- Weld-on (5) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Mounting Hardware Included
- No (5)
Quantity
- Sold individually. (5)
Price Range
Filter Options
- Stock Replacement (1)
Savings Central
- Free Shipping (7)

Selected Filters

Filter Results by Vehicle

Loading...

Home
Rear Crossmembers
2018
Product Results

Availability

- In Stock Items. Ships Today. (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- In Stock Items, Including at a Supplier. Ships In a Few Days. (5) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (16) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Filters
Brand
- Rust Buster Frame Repair (8) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Mopar Performance (6) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- ACDelco (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Mopar Replacement (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Universal
- No (8) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Make/Model
Drivetrain
- 4WD (8) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- RWD (6) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Crossmember Material
- Steel (5) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Crossmember Color
- Natural (5) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Installation
- Weld-on (5) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Mounting Hardware Included
- No (5)
Quantity
- Sold individually. (5)
Price Range
Filter Options
- Stock Replacement (1)
Savings Central
- Free Shipping (7)

2018 Rear Crossmembers

Individual Parts

Part Groups

Results 1 - 16 of 16

Rust Buster Fuel Tank Crossmembers RB7340

Rust Buster Fuel Tank Crossmembers RB7340

Rust Buster Fuel Tank Crossmembers RB7340

Crossmember, Fuel Tank Crossmember, Steel, Natural, Chevy, GMC, Each

Part Number: RBF-RB7340

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Rust Buster Rear Shock Crossmembers RB7341

Rust Buster Rear Shock Crossmembers RB7341

Rust Buster Rear Shock Crossmembers RB7341

Crossmember, Mid Frame Crossmember, Steel, Natural, Chevy, GMC, Each

Part Number: RBF-RB7341

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Rust Buster Crossmember Frame Repair Sections for 2007-2018 WRANGLER - RB5046

Rust Buster Crossmember Frame Repair Sections for 2007-2018 WRANGLER - RB5046

Rust Buster Crossmember Frame Repair Sections for 2007-2018 WRANGLER - RB5046

Rear Crossmember, Jeep JK, Steel, Each

Part Number: RBF-RB5046

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 6, 2026 if ordered today

Rust Buster Forward Gas Tank Crossmembers RB7339

Rust Buster Forward Gas Tank Crossmembers RB7339

Rust Buster Forward Gas Tank Crossmembers RB7339

Crossmember, Forward Gas Tank Crossmember, Steel, Natural, Chevy, GMC, Each

Part Number: RBF-RB7339

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Rust Buster Crossmember Frame Repair Sections for 2007-2018 WRANGLER - RB5050

Rust Buster Crossmember Frame Repair Sections for 2007-2018 WRANGLER - RB5050

Rust Buster Crossmember Frame Repair Sections for 2007-2018 WRANGLER - RB5050

Rear Body Mount Crossmember, JK Jeep, Wrangler Steel, Each

Part Number: RBF-RB5050

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 6, 2026 if ordered today

Mopar Performance - Rear Crossmembers for 2018-2019 DURANGO - 04610252AK

Mopar Performance - Rear Crossmembers for 2018-2019 DURANGO - 04610252AK

Mopar Performance - Rear Crossmembers for 2018-2019 DURANGO - 04610252AK

REAR SUB-ASSEMBLY

Part Number: DCC-04610252AK

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 20, 2026 if ordered today

Mopar Performance - Rear Crossmembers for 2020 300, 2011-2021 CHALLENGER, 2018-2021 CHARGER - 04780812AD

Mopar Performance - Rear Crossmembers for 2020 300, 2011-2021 CHALLENGER, 2018-2021 CHARGER - 04780812AD

Mopar Performance - Rear Crossmembers for 2020 300, 2011-2021 CHALLENGER, 2018-2021 CHARGER - 04780812AD

REAR SUSPENSION

Part Number: DCC-04780812AD

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 20, 2026 if ordered today

Mopar Performance - Rear Crossmembers for 2017-2019 CHEROKEE - 04877382AF

Mopar Performance - Rear Crossmembers for 2017-2019 CHEROKEE - 04877382AF

Mopar Performance - Rear Crossmembers for 2017-2019 CHEROKEE - 04877382AF

REAR SUSPENSION

Part Number: DCC-04877382AF

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 20, 2026 if ordered today

Mopar Performance - Rear Crossmembers for 2017-2019 CHEROKEE - 04877620AG

Mopar Performance - Rear Crossmembers for 2017-2019 CHEROKEE - 04877620AG

Mopar Performance - Rear Crossmembers for 2017-2019 CHEROKEE - 04877620AG

REAR SUSPENSION

Part Number: DCC-04877620AG

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 20, 2026 if ordered today

Mopar Replacement - Rear Crossmembers for 2015-2020 PROMASTER CITY - 68496811AA

Mopar Replacement - Rear Crossmembers for 2015-2020 PROMASTER CITY - 68496811AA

Mopar Replacement - Rear Crossmembers for 2015-2020 PROMASTER CITY - 68496811AA

CROSSMEMB, REAR FLOOR, 2015-2020

Part Number: MOP-68496811AA

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 18, 2026 if ordered today

Rust Buster Crossmember Frame Repair Sections RB7398

Rust Buster Crossmember Frame Repair Sections RB7398

Rust Buster Crossmember Frame Repair Sections RB7398

Rear Crossmembers, Replacement, OEM Style, Steel, Natural Finish, Weld-On, 40.700 in. Length, Chevy, GMC, Each

Part Number: RBF-RB7398

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

...Loading

Estimated Ship Date: Tomorrow if ordered today

Rust Buster Spare Tire Crossmembers RB7835

Rust Buster Spare Tire Crossmembers RB7835

Rust Buster Spare Tire Crossmembers RB7835

Crossmember, Spare Tire Crossmember, Rear, Steel, Natural, Weld-On, 35.800 in. Length, Chevy, GMC, Each

Part Number: RBF-RB7835

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

...Loading

Estimated Ship Date: Tomorrow if ordered today

Rust Buster Center Frame Crossmembers RB7841

Rust Buster Center Frame Crossmembers RB7841

Rust Buster Center Frame Crossmembers RB7841

Crossmember, Center Frame Crossmember, Steel, Natural, Weld-On, 44.800 in. Length, Chevy, GMC, Each

Part Number: RBF-RB7841

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

...Loading

Estimated Ship Date: Tomorrow if ordered today

Mopar Performance - Rear Crossmembers for 2018-2019 DURANGO - 04610251AK

Mopar Performance - Rear Crossmembers for 2018-2019 DURANGO - 04610251AK

Mopar Performance - Rear Crossmembers for 2018-2019 DURANGO - 04610251AK

REAR SUB-ASSEMBLY

Part Number: DCC-04610251AK

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 6, 2026 if ordered today

Mopar Performance - Rear Crossmembers for 2017-2019 CHEROKEE - 04877381AG

Mopar Performance - Rear Crossmembers for 2017-2019 CHEROKEE - 04877381AG

Mopar Performance - Rear Crossmembers for 2017-2019 CHEROKEE - 04877381AG

REAR SUSPENSION

Part Number: DCC-04877381AG

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 6, 2026 if ordered today

ACDelco - Rear Crossmembers for 2018-2026 EQUINOX, TERRAIN - 26389888

ACDelco - Rear Crossmembers for 2018-2026 EQUINOX, TERRAIN - 26389888

ACDelco - Rear Crossmembers for 2018-2026 EQUINOX, TERRAIN - 26389888

CRADLE ASM-RR

Part Number: ADO-26389888

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 9, 2026 if ordered today

1

Page 1 of 1

Modal Header

Contact us with questions.

Call To Order

This is a custom order part. You can order this part by Contacting Us.

Summit Racing Speedcard. Synchrony Car Care.

Summit Racing Equipment SpeedCard

Jumpstart Your Next Project!

View Details|See if you Prequalify

Stay Updated with Emails from Summit Racing

Never miss a sale on new parts, tools, and more!

= Required

First Name

Last Name

Email Address Email required

See Our Catalogs

News & Events

News & Events Home
OnAllCylinders (blog)
Calendar of Events
New Product Releases
Summit Racing News
News You Can Use
Featured Vehicles
Media Center
Sanctioning Bodies

Help

Help Center
Return Policy
Beat-A-Price Guarantee
Payment Options
Contact Us

Social

Facebook
X/Twitter
Instagram
Pinterest
YouTube
Podcast

About Summit

Corporate History
Retail Locations

My Account

Profile
Email Preferences
Order Status & Returns
Wish List
Address Book
My Reviews
My Questions
My Garage
Sign In

Career Opportunities

More

Summit Racing Credit Card
Gift Cards
Calculators & Tools
Promo Exclusions
Become an Affiliate
Summit Racing Rewards Program
Summit Racing Equipment Protection Plan

Terms of Use | Privacy and Security | Site Accessibility
Copyright 2026 by AUTOSALES, INCORPORATED
dba Summit Racing Equipment | Trademarks

Let's Build it Together^™

Modal Header