Exterior Components› Body Panels and Components

Dorman

Spare Tire Crossmember

$230.88

SKU: 999888

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Dorman 999-888 is a rear frame spare tire crossmember designed as a direct replacement for damaged original equipment parts. It is constructed from durable steel to ensure a reliable and long-lasting repair. This crossmember matches factory dimensions for an accurate frame repair.
Show original supplier description
The Dorman 999-888 rear frame spare tire crossmember is engineered to replace original equipment parts that have been compromised by corrosion or impact. Manufactured from robust steel, this component offers a durable and long-lasting solution for restoring the integrity of your vehicle's frame. Its design precisely matches the factory dimensions, ensuring an accurate and true repair without compromising fit or function. This one-piece crossmember is a standard replacement grade item. It measures 41.5 inches in length and 19.5 inches in width, with a material thickness of 3 mm. The mounting hardware is included, and the unit features 16 mounting holes, each with a diameter of 12 mm. Dorman has subjected this part to rigorous quality testing, including vehicle try-on, material analysis, and corrosion resistance evaluations, to guarantee its proper fit and long-term durability. The Dorman 999-888 is specifically designed for Chevrolet and GMC vehicles from model years 2001 to 2010. It serves as a direct replacement for OE numbers such as 12479977, 12479978, 15200476, and many others listed by General Motors.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandDorman
Part Number999888
CategoryExterior Components
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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