Shop Sierra HD 2500 & 3500 | Official GMC Accessories

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Shop Sierra HD 2500 & 3500 | Official GMC Accessories

Can’t find the answer you need? For product, installation, or order status, contact your selling dealer. If you still need help, use the chat icon to message us or call Shopping Support 1-844-847-1118.

¹ Receive 20% off on Floor and Interior Protection accessories. Offer applicable to dealer price of accessories purchased on accessories.gmc.com. Offer not applicable to tax, shipping, and installation charges. Offer subject to availability. Excludes EV charging equipment and EV-specific accessories. Offer may not be combined with other manufacturer offers but may be combined with dealer offers, if applicable. Excludes any non-accessory items shown. Offer valid 10/01/2026 through 11/02/2026.

² Receive 15% off eligible accessories. Offer applicable to dealer price of accessories purchased on accessories.gmc.com. Offer not applicable to tax, shipping, and installation charges, if applicable. Offer subject to availability. Excludes EV charging equipment and EV-specific accessories. Offer may not be combined with other manufacturer offers but may be combined with dealer offers, if applicable. Excludes any non-accessory items shown. Offer valid 10/14/2026 through 11/02/2026.

³ This is a promotional offer valid through 11/2/2026 at 9PM ET at accessories.gmc.com, accessories.chevrolet.com, accessories.cadillac.com or gmenergy.gm.com (each, an “Eligible Site”) for eligible customers and purchases. Online purchase requires Promo Code: CHARGER30. Offer does not apply to chargers added to EV leases. Receive 30% off the GM PowerUp 2: J1772 Charger (MSRP $899) & GM Energy PowerShift Charger (MSRP $1,999) at any Eligible Site. Offer for equivalent 30% below applicable MSRPs may be available at select dealers; but note: dealer sets final price; see dealer for details and availability for in-person purchase. Offer does not include installation, permitting, taxes, or fees. Professional installation is required. A 60 amp breaker is required to achieve maximum charging rate. Actual charging times will vary based on battery condition, charger output, vehicle settings, and ambient temperature. Installation services are provided by independent third party installers; GM is not responsible for installation workmanship, permitting, or delays.

⁴ Receive 30% off the GM Energy Home Systems and GM Energy Storage Bundles. Promotional offer valid through 11/2/2026. Does not include installation or taxes. Additional terms and conditions may apply.

⁵ Receive 25% off All-Weather Floor & Cargo Protection Packages. GM Part Numbers: ACC_PKG_07, ACC_PKG_08, ACC_PKG_09. Offer applicable to dealer price of accessories purchased on accessories.gmc.com. Offer not applicable to tax, shipping, and installation charges. Offer may not be combined with other manufacturer offers, but may be combined with dealer offers, if applicable. Offer subject to availability. Excludes any non-accessory items shown. Offer valid 10/01/2026 through 11/02/2026.

⁶ Receive 20% off the GM Energy V2H Enablement Kit and GM Energy V2H Bundle. Promotional offer valid through 9/30/2026. Does not include installation or taxes. Additional terms and conditions may apply.

⁷ Get 20% off on Floor and Interior Protection accessories. Offer applicable to dealer price of accessories purchased on accessories.gmc.com. Offer not applicable to tax, shipping, and installation charges. Offer subject to availability. Excludes EV charging equipment and EV-specific accessories. Offer may not be combined with other manufacturer offers but may be combined with dealer offers, if applicable. Excludes any non-accessory items shown. Offer valid 10/01/2026 through 11/02/2026.

or

Get 20% off Bed Covers. Offer applicable to dealer price of accessories purchased on accessories.gmc.com. Offer not applicable to tax, shipping, and installation charges. Offer may not be combined with other manufacturer offers, but may be combined with dealer offers, if applicable. Offer subject to availability. Excludes any non-accessory items shown. Offer valid 10/08/2026 through 11/02/2026.

⁸ Receive 20% off select accessories in the Two-Day-Savings-Event page. Offer applicable to dealer price of accessories purchased on accessories.GMC.com. Offer not applicable to tax, shipping, and installation charges. Offer may not be combined with other manufacturer offers, but may be combined with dealer offers, if applicable. Offer subject to availability. Excludes any non-accessory items shown. Offer valid 10/6/2026 through 10/7/2027.

⁹ Get 20% off on Floor and Interior Protection accessories. Offer applicable to dealer price of accessories purchased on accessories.GMC.com. Offer not applicable to tax, shipping, and installation charges. Offer subject to availability. Excludes EV charging equipment and EV-specific accessories. Offer may not be combined with other manufacturer offers but may be combined with dealer offers, if applicable. Excludes any non-accessory items shown. Offer valid 10/01/2026 through 11/02/2026.

or

Get 25% off All-Weather Floor & Cargo Protection Packages. GM Part Numbers: ACC_PKG_07, ACC_PKG_08, ACC_PKG_09. Offer applicable to dealer price of accessories purchased on accessories.GMC.com. Offer not applicable to tax, shipping, and installation charges. Offer may not be combined with other manufacturer offers, but may be combined with dealer offers, if applicable. Offer subject to availability. Excludes any non-accessory items shown. Offer valid 10/01/2026 through 11/02/2026.

¹⁰ MSRP excludes installation, taxes, other fees or wheel components (if applicable). Actual price is set by dealer or seller and may vary. Some items may require purchase of additional equipment or services.

¹¹ Price excluding installation, taxes and other fees. Prices are established by the seller and may vary. Some parts may require purchase of additional equipment and/or services.

^† Shipping and tax may vary based on location and will be finalized in Checkout.

¹² Points may only be earned and redeemed at GM entities, participating dealers and participating third parties in the fifty United States and Washington, D.C. Points are not earned on taxes, discounts, rebates, credits, shipping fees, state inspection fees, warranty repair work, body shop repair orders or GM Energy products. Visit experience.gm.com/rewards/terms to view the GM Rewards Program Terms and Conditions.

¹³ Must be 18 years or older. Points may only be earned and redeemed at GM entities, participating dealers and participating third parties in the fifty United States and Washington, D.C. Points are not earned on taxes, discounts, rebates, credits, shipping fees, state inspection fees, warranty repair work or body shop repair orders. Visit experience.gm.com/rewards/terms to view the GM Rewards Program Terms and Conditions.

¹⁴ Points may only be earned and redeemed at GM entities, participating dealers and participating third parties in the fifty United States and Washington, D.C. Points are not earned on taxes, discounts, rebates, credits, shipping fees, state inspection fees, warranty repair work or body shop repair orders. Visit experience.gm.com/rewards/terms to view the GM Rewards Program Terms and Conditions.

¹⁵ Enroll in GM Rewards up to 30 days after making eligible online purchases to receive the enrollment bonus. Visit experience.gm.com/rewards/terms for more information on the GM Rewards Program.

¹⁶ Must be a paid service, parts or accessories. GM Rewards Members earn 3 points for every dollar spent, excluding taxes, discounts, rebates, credits, shipping fees, state inspection fees, warranty repair work and body shop repair orders.

¹⁷ Members may redeem on Chevrolet, Buick, GMC and Cadillac parts and accessories purchased through a GM accessories or parts website or through a GM Rewards participating dealership. Points may not be redeemed toward tax and shipping costs.

¹⁸ Offer subject to credit approval. This offer is available through this advertisement and may not be accessible elsewhere. Other offers may be available. For complete pricing and other details, please see the Terms and Conditions.

¹⁹ Conditions and limitations apply. Please refer to the Introductory Bonus Offer section of the Terms and Conditions for more information about the introductory offer. Please refer to the Rewards Rules within the Terms and Conditions for additional information about the rewards program.

²⁰ Conditions and limitations apply. Please refer to the Introductory Bonus Offer section of the Terms and Conditions for more information about the introductory offer. Please refer to the Rewards Rules within the Terms and Conditions for additional information about the rewards program.

²¹ Offer subject to credit approval. This offer is available through this advertisement and may not be accessible elsewhere. Other offers may be available. For complete pricing and other details, please see the Terms and Conditions.
This offer is valid for approved applicants. Any bonus associated with this offer may only be earned once. You may not be eligible for this offer if you currently have or previously had an account with us in this program. In addition, you may not be eligible for this offer if, at any time during our relationship with you, we have cause, as determined by us in our sole discretion, to suspect that the account is being obtained or will be used for abusive or gaming activity (such as, but not limited to, obtaining or using the account to maximize rewards earned in a manner that is not consistent with typical consumer activity and/or multiple credit card account applications/openings). Please see the About This Offer section of the Terms and Conditions for important information.
Annual Fee is $0.0% introductory APR on all Qualifying GM Purchases made within 30 days of account opening is applicable for 9 billing cycles from the transaction date. 0% promotional APR on all "Qualifying" GM Purchases made after 30 days of account opening is applicable for 6 billing cycles from the transaction date. These introductory and promotional APR offers do not apply to other purchases, balance transfers and cash advances. For new purchases and balance transfers and for outstanding purchases after the introductory and promotional periods, the variable APR is 22.99% to 32.99%, depending upon our review of your application, your credit history at account opening, and other factors. The variable APR for cash advances is 33.99%. The APRs on your account will vary with the market based on the Prime Rate and are subject to change. The minimum monthly interest charge will be $0.50. Balance transfer fee: 5% (min. $5). Cash advance and fee: 5% (min. $10). Foreign transaction fee: 3%. See Terms and Conditions for updated and more information about the terms of this offer, including the “About the Variable APRs on Your Account” section for the current Prime Rate information.
Qualifying GM Purchases means all GM purchases greater than $499 made with this credit card account on new or certified pre-owned vehicles or customer-paid Certified Service at a GM Dealership, GM Genuine and ACDelco parts purchased at a GM Dealership or online through GM websites, GM Accessories purchased at a GM Dealership or online through GM websites, SiriusXM transactions, GM Energy purchases, General Motors Company Store purchases, General Motors Insurance purchases and OnStar transactions as determined by the merchant identification number(s) provided by GM.

²² Points may only be earned and redeemed at GM entities, participating dealers and participating third parties in the fifty United States and Washington, D.C. Points are not earned on taxes, discounts, rebates, credits, shipping fees, state inspection fees, warranty repair work, body shop repair orders or GM Energy products. Visit experience.gm.com/rewards/terms to view the GM Rewards Program Terms and Conditions.

²³ The value of points may vary by redemption option and may change from time to time at GM's sole discretion.

Can’t find the answer you need? For product, installation, or order status, contact your selling dealer. If you still need help, use the chat icon to message us or call Shopping Support 1-844-847-1118.

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