• Your cart is empty
      0
      items

      Subtotal:$0.00

    :

    Clear
    Clear

    Genuine Chevrolet 12561721 - Engine Camshaft

    MPN: 12561721
    0.0
    Vehicle Specific
    Check if this part fits your vehicle.
    • $456.95
    In stock

    Product Overview

    The Genuine Chevrolet 12561721 Engine Camshaft is designed to provide optimal performance and reliability for your Chevrolet vehicle. This essential component plays a crucial role in the engine's operation by controlling the timing of the engine valves, ensuring efficient combustion and overall engine performance. Manufactured to meet or exceed OE specifications, this camshaft guarantees a perfect fit and long-lasting durability. Trust in the Genuine Chevrolet brand to maintain the integrity of your vehicle's engine. Choose Genuine Chevrolet 12561721 for dependable performance and peace of mind every time you service your vehicle.

    Cross Reference Numbers

    This Genuine Chevrolet 12561721 is equivalent to or replaces the following part numbers:

    Vehicle Compatibility

    • 2001-2002 Chevrolet Camaro 5.7 V8
    • 2001-2004 Chevrolet Corvette 5.7 V8
    • 2001-2004 Chevrolet Silverado 2500 6.0 V8
    • 2001-2006 Chevrolet Silverado 1500 HD 6.0 V8
    • 2001-2006 Chevrolet Silverado 2500 HD 6.0 V8
    • 2001-2006 Chevrolet Silverado 3500 6.0 V8
    • 2001-2006 Chevrolet Suburban 2500 6.0 V8
    • 2003-2006 Chevrolet Silverado 1500 6.0 V8
    • 2003-2007 Chevrolet Express 2500 6.0 V8
    • 2003-2007 Chevrolet Express 3500 6.0 V8

    This also fits other applications. Please use the vehicle selector tool to verify fitment.

    Why Choose Newparts.com?

    • Trusted by DIYers and pros for over 15 years
    • Over 20 million auto parts shipped
    • Top brands at the best prices online
    • Exclusive Kits That Fit™ - complete repair solutions with no guesswork
    • Fast, reliable shipping from our U.S. warehouses

    Frequently Asked Questions

    What is the function of the engine camshaft?

    The engine camshaft, such as the Genuine Chevrolet 12561721, controls the timing of valve openings and closings, which is critical for efficient engine performance and fuel economy.

    How do I know if I need to replace my camshaft?

    If you experience a decrease in engine performance, unusual noises, or poor fuel economy, it may be time to consider replacing the camshaft with a quality part like the Genuine Chevrolet 12561721.

    Are there any diagnostic trouble codes (DTCs) associated with camshaft issues?

    Yes, common DTCs related to camshaft performance include P0340, P0341, and P0342, which indicate problems with the camshaft position sensor or timing.

    What should I consider when purchasing a camshaft?

    Always choose a camshaft that meets OEM specifications, like the Genuine Chevrolet 12561721, to ensure proper fitment and performance in your vehicle.

    How can I ensure proper installation of my new camshaft?

    It is recommended to follow the manufacturer's installation guidelines or consult a professional mechanic when replacing your camshaft for optimal results.

    Order Genuine Chevrolet 12561721 today for a factory-correct replacement that restores safety and performance.

      • Newparts SKU
        2143946
      • Weight
        4.4 lbs
      • Dimensions (L x W x H)
        21.8057 x 3.7031 x 5.1899 in
      • Manufacturer Part #
        12561721
    • Brand
      Genuine Chevrolet
    • Manufacturer
      Genuine Chevrolet
    • MPN
      12561721
    • Part Type
      Engine Camshaft
    • Fitment
      • Fitment Type
        Vehicle Specific
    YearMakeModelSubmodelNotes
    2003ChevroletSuburban 2500LS (6.0 V8 GAS)
    2003ChevroletSuburban 2500LT (6.0 V8 GAS)
    2003ChevroletExpress 2500Base (6.0 V8 CNG)
    2003ChevroletExpress 2500Base (6.0 V8 GAS)
    2003ChevroletExpress 2500LS (6.0 V8 GAS)
    2003ChevroletExpress 2500LS (6.0 V8 CNG)
    2003ChevroletSilverado 2500Base (6.0 V8 GAS)
    2003ChevroletSilverado 2500LS (6.0 V8 GAS)
    2003ChevroletSilverado 2500LT (6.0 V8 GAS)
    2003ChevroletSilverado 3500Base (6.0 V8 GAS)
    2003ChevroletSilverado 3500LS (6.0 V8 GAS)
    2003ChevroletSilverado 3500LT (6.0 V8 GAS)
    2003ChevroletSilverado 2500 HDBase (6.0 V8 GAS)
    2003ChevroletSilverado 2500 HDBase (6.0 V8 CNG)
    2003ChevroletSilverado 2500 HDLS (6.0 V8 CNG)
    2003ChevroletSilverado 2500 HDLS (6.0 V8 GAS)
    2003ChevroletSilverado 2500 HDLT (6.0 V8 GAS)
    2003ChevroletSilverado 2500 HDWT (6.0 V8 GAS)
    2003ChevroletSilverado 2500 HDWT (6.0 V8 CNG)
    2002ChevroletSuburban 2500LS (6.0 V8 GAS)
    2002ChevroletSuburban 2500LT (6.0 V8 GAS)
    2002ChevroletSilverado 2500Base (6.0 V8 GAS)
    2002ChevroletSilverado 2500Base (6.0 V8 CNG)
    2002ChevroletSilverado 2500Base (6.0 V8 BI-FUEL)
    2002ChevroletSilverado 2500LS (6.0 V8 BI-FUEL)
    2002ChevroletSilverado 2500LS (6.0 V8 GAS)
    2002ChevroletSilverado 2500LS (6.0 V8 CNG)
    2002ChevroletSilverado 2500LT (6.0 V8 CNG)
    2002ChevroletSilverado 2500LT (6.0 V8 GAS)
    2002ChevroletSilverado 2500LT (6.0 V8 BI-FUEL)
    2002ChevroletSilverado 3500Base (6.0 V8 GAS)
    2002ChevroletSilverado 3500LS (6.0 V8 GAS)
    2002ChevroletSilverado 3500LT (6.0 V8 GAS)
    2001ChevroletSuburban 2500Base (6.0 V8 GAS)
    2001ChevroletSuburban 2500LS (6.0 V8 GAS)
    2001ChevroletSuburban 2500LT (6.0 V8 GAS)
    2001ChevroletSilverado 2500Base (6.0 V8 GAS)
    2001ChevroletSilverado 2500LS (6.0 V8 GAS)
    2001ChevroletSilverado 2500LT (6.0 V8 GAS)
    2001ChevroletSilverado 3500Base (6.0 V8 GAS)
    2001ChevroletSilverado 3500LS (6.0 V8 GAS)
    2001ChevroletSilverado 3500LT (6.0 V8 GAS)
    2005ChevroletSuburban 2500LS (6.0 V8 GAS)
    2005ChevroletSuburban 2500LT (6.0 V8 GAS)
    2005ChevroletExpress 2500Base (6.0 V8 GAS)
    2005ChevroletExpress 2500Base (6.0 V8 CNG)
    2005ChevroletExpress 2500LS (6.0 V8 CNG)
    2005ChevroletExpress 2500LS (6.0 V8 GAS)
    2005ChevroletSilverado 3500Base (6.0 V8 GAS)
    2005ChevroletSilverado 3500Base (6.0 V8 CNG)
    2005ChevroletSilverado 3500LS (6.0 V8 GAS)
    2005ChevroletSilverado 3500LS (6.0 V8 CNG)
    2005ChevroletSilverado 3500LT (6.0 V8 GAS)
    2005ChevroletSilverado 3500LT (6.0 V8 CNG)
    2005ChevroletSilverado 2500 HDBase (6.0 V8 GAS)
    2005ChevroletSilverado 2500 HDBase (6.0 V8 CNG)
    2005ChevroletSilverado 2500 HDLS (6.0 V8 GAS)
    2005ChevroletSilverado 2500 HDLS (6.0 V8 CNG)
    2005ChevroletSilverado 2500 HDLT (6.0 V8 GAS)
    2005ChevroletSilverado 2500 HDWT (6.0 V8 GAS)
    2005ChevroletSilverado 2500 HDWT (6.0 V8 CNG)
    2006ChevroletSuburban 1500LTZ (6.0 V8 GAS)
    2006ChevroletSuburban 2500LS (6.0 V8 GAS)
    2006ChevroletSuburban 2500LT (6.0 V8 GAS)
    2006ChevroletExpress 2500Base (6.0 V8 GAS)
    2006ChevroletExpress 2500LS (6.0 V8 GAS)
    2006ChevroletExpress 2500LT (6.0 V8 GAS)
    2006ChevroletSilverado 3500LS (6.0 V8 GAS)Engine: LQ4
    2006ChevroletSilverado 3500LT (6.0 V8 GAS)Engine: LQ4
    2006ChevroletSilverado 3500WT (6.0 V8 GAS)Engine: LQ4
    2006ChevroletSilverado 2500 HDLS (6.0 V8 GAS)Engine: LQ4
    2006ChevroletSilverado 2500 HDLT (6.0 V8 GAS)Engine: LQ4
    2006ChevroletSilverado 2500 HDWT (6.0 V8 GAS)Engine: LQ4
    2004ChevroletSuburban 2500LS (6.0 V8 GAS)
    2004ChevroletSuburban 2500LT (6.0 V8 GAS)
    2004ChevroletExpress 2500Base (6.0 V8 GAS)
    2004ChevroletExpress 2500Base (6.0 V8 CNG)
    2004ChevroletExpress 2500LS (6.0 V8 GAS)
    2004ChevroletExpress 2500LS (6.0 V8 CNG)
    2004ChevroletSilverado 2500Base (6.0 V8 GAS)
    2004ChevroletSilverado 2500LS (6.0 V8 GAS)
    2004ChevroletSilverado 2500LT (6.0 V8 GAS)
    2004ChevroletSilverado 2500WT (6.0 V8 GAS)
    2004ChevroletSilverado 3500Base (6.0 V8 CNG)Engine: LQ4
    2004ChevroletSilverado 3500Base (6.0 V8 GAS)Engine: LQ4
    2004ChevroletSilverado 3500LS (6.0 V8 CNG)Engine: LQ4
    2004ChevroletSilverado 3500LS (6.0 V8 GAS)Engine: LQ4
    2004ChevroletSilverado 3500LT (6.0 V8 CNG)Engine: LQ4
    2004ChevroletSilverado 3500LT (6.0 V8 GAS)Engine: LQ4
    2004ChevroletSilverado 3500WT (6.0 V8 GAS)Engine: LQ4
    2004ChevroletSilverado 3500WT (6.0 V8 CNG)Engine: LQ4
    2004ChevroletSilverado 2500 HDBase (6.0 V8 CNG)Engine: LQ4
    2004ChevroletSilverado 2500 HDBase (6.0 V8 GAS)Engine: LQ4
    2004ChevroletSilverado 2500 HDLS (6.0 V8 GAS)
    2004ChevroletSilverado 2500 HDLS (6.0 V8 CNG)
    2004ChevroletSilverado 2500 HDLT (6.0 V8 GAS)
    2004ChevroletSilverado 2500 HDWT (6.0 V8 GAS)
    2004ChevroletSilverado 2500 HDWT (6.0 V8 CNG)
    2007ChevroletExpress 2500Base (6.0 V8 GAS)Engine: LQ4
    2007ChevroletExpress 2500LS (6.0 V8 GAS)
    There are more vehicles this part is compatible with. Check if it fits your vehicle.
    Customer reviews
    Please sign in to add review
    There are no comments yet. Be the first to leave a comment

    We accept the following payment methods:

    Accepted payment methods

    Warranty Overview

    At Newparts, we stand behind the quality of the products we sell. Every part we offer is backed by a warranty designed to give you peace of mind and protect your investment.

    Standard Warranty – Most Parts

    • Coverage: 2 years or 24,000 miles (whichever comes first) from purchase date.

    • Protection: Defects in materials or workmanship under normal personal use.

    • Eligibility: Applies only to the original purchaser and the vehicle where the part was first installed.

    • Exclusions:

      • Wear-and-tear items (brake pads, filters, bulbs, wipers, etc.)

      • Commercial, fleet, rideshare, off-road, or racing use

      • Improper installation, misuse, accidents, or modifications

    • Not Covered: Labor, shipping, towing, or incidental costs.

    Bison Performance Warranty – Our House Brand

    • Coverage: Limited Lifetime Warranty for as long as you own your vehicle.

    • Applies To: All products sold under the Bison Performance label.

    • Premium Protection: Goes beyond our standard warranty — if it’s a Bison product, the 2-year/24k mile limit is replaced with lifetime coverage.

    • Exclusions: Same as the standard warranty (normal wear, commercial use, improper installation, etc.).

    • What’s Included: Replacement of the defective product (labor and shipping excluded).

    Warranty Claim Requirements

    To keep claims fast and fair, we require:

    • Proof of purchase (invoice or order confirmation).

    • Photos or videos showing the defective part, order number, date, VIN, and odometer reading.

    • Diagnostic reports or part returns for non-visible issues may be requested.

    • Claims must be truthful, properly documented, and reflect normal consumer use.

    Buy With Confidence: We back our products because we believe in their quality, with a transparent, customer-first warranty process you can trust. And with Bison Performance products, you’ll enjoy Limited Lifetime protection—an assurance few brands can match.

    For full details and exclusions, please see our complete Warranty Terms & Conditions.


    This summary is for convenience only. For full warranty coverage details, exclusions, and requirements, see our official Warranty Terms & Conditions. In case of conflict, the full policy governs.

    Return Policy Overview

    Most parts can be returned within 30 days of delivery if unused, uninstalled, and in original packaging.
    To start a return, use our Return Portal or contact support.

    • Restocking fee: Up to 20% may apply for certain orders (buyer’s remorse, order errors, or special-order items)

    • Refunds: Issued to your original payment method within 3–5 business days after inspection

    • Exchanges: Not automatic — please return and reorder

    • Replacements: May be approved for incorrect or defective items reported within 7 days

    Not returnable:

    • Used or installed parts

    • Electrical components

    • Opened filter kits, gaskets, or contaminated items

    • Final sale or custom orders

    Important Notes:

    • Return shipping is your responsibility unless we made a verified error

    • Fitment is the customer’s responsibility (we can assist, but do not guarantee)

    • Country of origin may vary and is not grounds for return

    For complete details, please see our full Return Policy.



    This Returns summary is provided for convenience only. All returns, refunds, and exchanges are subject to the complete Returns Policy. In the event of any conflict, the full policy governs.

    Fast, Reliable Shipping — Straight to Your Door

    We ship most orders the same day when placed before 2 PM CST (Monday–Friday). Our main warehouse is just east of Nashville, TN, and we also ship from multiple locations nationwide to get your order to you as quickly as possible.

    • We use trusted carriers like UPS, FedEx, and USPS.

    • Tracking info is emailed to you as soon as your order ships.

    • Delivery estimates at checkout are based on carrier data, but not guaranteed.

    Need help with a shipment?

    If your order is missing, damaged, or incorrect, just let us know within 5 days of delivery. We’ll walk you through the quick claim process — including a few photos to help us make things right.

    For full details, please see our complete Shipping Policy.


    This Shipping summary is provided for convenience only. Delivery times, carrier terms, fees, restrictions,  risk of loss, and other details are governed by our complete Shipping Policy. In the event of any conflict, the full policy governs.

    Product questions

    No questions yet. Be the first to ask the question!