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          Dorman 635-000 - Engine Crankshaft Rear Seal Installation Tool

          MPN: 635-000
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $61.95
          In stock

          Product Overview

          The Dorman 635-000 Engine Crankshaft Rear Seal Installation Tool is designed to simplify the installation of crankshaft rear seals in your vehicle. This tool ensures precise alignment and proper fitment, helping to prevent leaks and maintain engine integrity. With OE-level quality, reliability, and a perfect fit, it is trusted by both DIYers and professionals alike. Compatible with various models from popular brands like Buick, Cadillac, Chevrolet, and GMC, this tool is a must-have for any engine service. Choose Dorman 635-000 for dependable performance and peace of mind every time you service your vehicle.

          Cross Reference Numbers

          This Dorman 635-000 is equivalent to or replaces the following part numbers: 635000, J414792B.

          Vehicle Compatibility

          • Buick (2004-2007) Rainier 5.3 V8
          • Cadillac (2002-2013) Escalade 6.0 V8
          • Chevrolet (1997-2004) Corvette 5.7 V8
          • GMC (2001-2019) Sierra 2500 HD 6.0 V8
          • Chevrolet (2000-2014) Tahoe 5.3 V8
          • GMC (2000-2014) Yukon 5.3 V8
          • Chevrolet (2003-2013) Silverado 1500 6.0 V8
          • Chevrolet (2008-2012) Corvette 6.2 V8
          • GMC (2007-2014) Yukon 6.2 V8
          • Pontiac (2005-2006) GTO 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
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          Frequently Asked Questions

          What is the purpose of the Dorman 635-000 tool?

          The Dorman 635-000 tool is specifically designed for the accurate installation of crankshaft rear seals, ensuring a leak-free fit.

          Are there any common issues I should be aware of when using this tool?

          When using the Dorman 635-000, ensure that the seal is properly aligned and seated to avoid leaks and potential engine damage.

          What vehicles are compatible with the Dorman 635-000?

          The Dorman 635-000 is compatible with a range of models from Buick, Cadillac, Chevrolet, and GMC, among others. Always verify fitment with your specific vehicle.

          What DTCs can be associated with improper crankshaft seal installation?

          Improper installation can lead to diagnostic trouble codes such as P0016, P0017, and P0018. Ensuring correct use of the Dorman 635-000 helps prevent these issues.

          Where can I purchase the Dorman 635-000?

          You can order the Dorman 635-000 today for a factory-correct replacement that restores safety and performance.

            • Newparts SKU
              4117325
            • Weight
              2.425 lbs
            • Dimensions (L x W x H)
              4.724 x 4.724 x 2.047 in
            • Barcode
              889245911759
            • Manufacturer Part #
              635-000
          • Brand
            Dorman
          • Manufacturer
            Dorman
          • MPN
            635-000
          • Features
            Color : Plateado
            Color : Silver
            Contenidos del paquete : 1 herramienta de instalaci+¦n
            Length : 1.5
            Material : Acero
            Material : Steel
            Package Contents : 1 Install Tool
            Seal Maximum Outside Diameter : 3.8
            Seal Minimum Outside Diameter : 3.65
          • Cross Reference Numbers
            635000, J414792B
          • Part Type
            Engine Crankshaft Rear Seal Installation Tool
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          2003GMCSierra 3500SLE (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2003GMCSierra 2500 HDBase (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2003GMCSierra 2500 HDSLE (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2003GMCSierra 2500 HDWT (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2003GMCSierra 2500 HDSLT (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2003GMCSierra 1500SLE (5.3 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2003GMCSierra 1500SLT (4.8 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2003GMCSierra 1500SLT (5.3 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2003GMCSierra 1500WT (4.8 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2003GMCSierra 1500WT (5.3 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2003GMCSierra 1500Base (4.8 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2003GMCSierra 1500SL (4.8 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2003GMCSierra 1500Base (5.3 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2003GMCSierra 1500SL (5.3 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2003GMCSierra 1500 HDSLE (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2003GMCSierra 1500 HDSLT (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2003ChevroletSilverado 2500LS (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2003ChevroletSilverado 2500Base (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2003ChevroletSilverado 3500Base (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2003ChevroletSilverado 3500LT (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2003ChevroletSilverado 3500LS (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2003ChevroletSilverado 1500 HDLT (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2003ChevroletSilverado 1500 HDLS (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2003ChevroletSilverado 2500 HDBase (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2003ChevroletSilverado 2500 HDLS (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2003ChevroletSilverado 2500 HDWT (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2003ChevroletSilverado 2500 HDLT (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2003ChevroletSilverado 1500WT (4.8 V8 GAS)
          2000GMCSierra 2500SLE (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2000GMCSierra 1500SLT (5.3 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2000GMCSierra 1500SL (5.3 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2000GMCSierra 1500SL (4.8 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2000GMCSierra 1500SLT (4.8 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2000GMCSierra 1500SLE (4.8 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2000GMCSierra 1500SLE (5.3 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2000ChevroletSilverado 2500Base (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2000ChevroletSilverado 2500LT (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2000ChevroletSilverado 2500Base (5.3 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2000ChevroletSilverado 2500LS (5.3 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2000ChevroletSilverado 2500LS (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2000ChevroletSilverado 2500LT (5.3 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2000ChevroletSilverado 1500Base (5.3 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2000ChevroletSilverado 1500Base (4.8 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2000ChevroletSilverado 1500LS (4.8 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2000ChevroletSilverado 1500LS (5.3 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2000ChevroletSilverado 1500LT (4.8 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2000ChevroletSilverado 1500LT (5.3 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2002GMCSierra 3500SLE (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2002GMCSierra 3500SLT (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2002GMCSierra 3500Base (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2002GMCSierra 1500Base (5.3 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2002GMCSierra 1500WT (4.8 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2002GMCSierra 1500WT (5.3 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2002GMCSierra 1500Base (4.8 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2002GMCSierra 2500 HDSLT (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2002GMCSierra 2500 HDSLE (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2002GMCSierra 2500 HDSL (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2002GMCSierra 2500 HDBase (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2002GMCSierra 1500 HDSLE (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2002GMCSierra 1500 HDSLT (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2002ChevroletSilverado 2500LS (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2002ChevroletSilverado 2500Base (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2002ChevroletSilverado 3500LS (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2002ChevroletSilverado 3500Base (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2002ChevroletSilverado 3500LT (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2002ChevroletSilverado 1500WT (5.3 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2002ChevroletSilverado 1500WT (4.8 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2002ChevroletSilverado 1500LS (5.3 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2002ChevroletSilverado 1500LT (4.8 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2002ChevroletSilverado 1500LS (4.8 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2002ChevroletSilverado 1500Base (5.3 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2002ChevroletSilverado 1500Base (4.8 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2002ChevroletSilverado 1500 HDLS (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2001GMCSierra 2500SLE (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2001GMCSierra 2500SL (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2001GMCSierra 1500SLE (5.3 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2001GMCSierra 1500SLE (4.8 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2001GMCSierra 1500SL (5.3 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2001GMCSierra 1500SL (4.8 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2001GMCSierra 1500SLT (5.3 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2001GMCSierra 1500SLT (4.8 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2001GMCSierra 1500C3 (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2001ChevroletSilverado 3500LS (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2001ChevroletSilverado 3500Base (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2001ChevroletSilverado 3500LT (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2001ChevroletSilverado 2500 HDBase (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2001ChevroletSilverado 2500 HDLS (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2001ChevroletSilverado 2500 HDLT (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2001ChevroletSilverado 2500LS (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2001ChevroletSilverado 2500LT (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2001ChevroletSilverado 1500 HDLS (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          2001ChevroletSilverado 1500 HDLT (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          1999ChevroletSilverado 1500LT (5.3 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          1999ChevroletSilverado 1500LS (5.3 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          1999ChevroletSilverado 1500LT (4.8 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          1999ChevroletSilverado 1500Base (5.3 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          1999ChevroletSilverado 1500Base (4.8 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          1999ChevroletSilverado 1500LS (4.8 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          1999GMCSierra 2500SL (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          1999GMCSierra 2500SLE (6.0 V8 GAS)Notes: Improved Design - Follow Instructions Exactly to Avoid Leaks
          There are more vehicles this part is compatible with. Check if it fits your vehicle.
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          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

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