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          AISIN WPT-038 - Engine Water Pump

          MPN: WPT-038
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $59.95
          In stock

          Product Overview

          The AISIN WPT-038 Engine Water Pump is designed to ensure optimal engine cooling and performance in your vehicle. This high-quality water pump provides reliable circulation of coolant, maintaining the ideal operating temperature for your engine. With OE-level fitment and durability, the WPT-038 is trusted by automotive professionals and enthusiasts alike, making it suitable for various Lexus and Toyota models. Choose AISIN WPT-038 for dependable performance and peace of mind every time you service your vehicle.

          Cross Reference Numbers

          This AISIN WPT-038 is equivalent to or replaces the following part numbers: 16100-49825, 1610049825, 16110-49095, 1611049095, 16110-49096, 1611049096, 16110-49116, 1611049116, 16100-49847, 1610049847, 16110-49105, 1611049105, 16110-49126, 1611049126, 16100-49846, 1610049846, 16110-49115, 1611049115, 16100-49826, 1610049826, 16100-49845, 1610049845, 16110-49097, 1611049097, 16110-49125, 1611049125, WPT038, T3-111, T3111, WPT-038, T-136, T136, T3-120, T3120, 131-2217, 1312217, 5543144, 170-2360, 1702360, 43271, AW9292, 181495, WP9149, 224061, 252-551, 252551, 42257, 9292, T3-087, T3087, T3-118, T3118.

          Vehicle Compatibility

          • Lexus SC300 3.0 (1992-2000)
          • Lexus GS300 3.0 (1993-1997)
          • Toyota Supra 3.0 (1993-1998)

          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 Fitâ„¢ - complete repair solutions with no guesswork
          • Fast, reliable shipping from our U.S. warehouses

          Frequently Asked Questions

          What is the purpose of the AISIN WPT-038 Engine Water Pump?

          The AISIN WPT-038 Engine Water Pump is responsible for circulating coolant throughout the engine, ensuring it maintains the correct operating temperature to prevent overheating.

          How do I know if the WPT-038 is compatible with my vehicle?

          To verify compatibility, check the specifications or use the vehicle selector tool on our website. The AISIN WPT-038 fits various Lexus and Toyota models.

          What are common DTCs related to engine water pumps?

          Common Diagnostic Trouble Codes (DTCs) that may indicate issues with the engine water pump include P2601, P2602, and P0128. It's important to address these codes promptly to avoid engine damage.

          How do I install the AISIN WPT-038 Engine Water Pump?

          Installation of the WPT-038 requires some mechanical knowledge. It's recommended to follow a repair manual or seek professional assistance for the best results.

          Why should I choose AISIN for my water pump replacement?

          AISIN is known for its high-quality, reliable automotive parts. The WPT-038 offers OE-level performance, ensuring your engine runs efficiently and safely.

          Order AISIN WPT-038 today for a factory-correct replacement that restores safety and performance.

            • Newparts SKU
              204634
            • Weight
              3.74 lbs
            • Barcode
              4954514910361
            • Dimensions (L x W x H)
              10 x 6.8 x 7.4 in
            • Manufacturer Part #
              WPT-038
          • Brand
            AISIN
          • Manufacturer
            AISIN
          • MPN
            WPT-038
          • OE Part Numbers
            16100-49825, 1610049825, 16110-49095, 1611049095, 16110-49096, 1611049096, 16110-49116, 1611049116, 16100-49847, 1610049847, 16110-49105, 1611049105, 16110-49126, 1611049126, 16100-49846, 1610049846, 16110-49115, 1611049115, 16100-49826, 1610049826, 16100-49845, 1610049845, 16110-49097, 1611049097, 16110-49125, 1611049125
          • Cross Reference Numbers
            WPT038, T3-111, T3111, WPT-038, T-136, T136, T3-120, T3120, 131-2217, 1312217, 5543144, 170-2360, 1702360, 43271, AW9292, 181495, WP9149, 224061, 252-551, 252551, 42257, 9292, T3-087, T3087, T3-118, T3118
          • Part Type
            Engine Water Pump
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          1993LexusGS300Base (3.0 L6 GAS)Notes: Water Pump w/o Housing
          1993LexusSC300Base (3.0 L6 GAS)Notes: Water Pump w/o Housing
          1993ToyotaSupraBase (3.0 L6 GAS)Notes: Water Pump w/o Housing
          1993ToyotaSupraTwin Turbo (3.0 L6 GAS)Notes: Water Pump w/o Housing
          1994LexusGS300Base (3.0 L6 GAS)Notes: Water Pump w/o Housing
          1994LexusSC300Base (3.0 L6 GAS)Notes: Water Pump w/o Housing
          1994ToyotaSupraBase (3.0 L6 GAS)Notes: Water Pump w/o Housing
          1994ToyotaSupraTwin Turbo (3.0 L6 GAS)Notes: Water Pump w/o Housing
          1995LexusGS300Base (3.0 L6 GAS)Notes: Water Pump w/o Housing
          1995LexusSC300Base (3.0 L6 GAS)Notes: Water Pump w/o Housing
          1995ToyotaSupraBase (3.0 L6 GAS)Notes: Water Pump w/o Housing
          1995ToyotaSupraTwin Turbo (3.0 L6 GAS)Notes: Water Pump w/o Housing
          1996LexusGS300Base (3.0 L6 GAS)Notes: Water Pump w/o Housing
          1996LexusSC300Base (3.0 L6 GAS)Notes: Water Pump w/o Housing
          1996ToyotaSupraBase (3.0 L6 GAS)Notes: Water Pump w/o Housing
          1996ToyotaSupraTwin Turbo (3.0 L6 GAS)Notes: Water Pump w/o Housing
          1997LexusGS300Base (3.0 L6 GAS)Notes: Water Pump w/o Housing
          1997LexusSC300Base (3.0 L6 GAS)Notes: Water Pump w/o Housing
          1997ToyotaSupraBase (3.0 L6 GAS)Notes: Water Pump w/o Housing
          1997ToyotaSupraTwin Turbo (3.0 L6 GAS)Notes: Water Pump w/o Housing
          1992LexusSC300Base (3.0 L6 GAS)Notes: Water Pump w/o Housing
          1998LexusSC300Base (3.0 L6 GAS)Notes: Water Pump w/o Housing
          1998ToyotaSupraBase (3.0 L6 GAS)Notes: Water Pump w/o Housing
          1998ToyotaSupraTwin Turbo (3.0 L6 GAS)Notes: Water Pump w/o Housing
          1999LexusSC300Base (3.0 L6 GAS)Notes: Water Pump w/o Housing
          2000LexusSC300Base (3.0 L6 GAS)Notes: Water Pump w/o Housing
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          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.

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