• Your cart is empty
      0
      items

      Subtotal:$0.00

    :

    Clear
    Clear
    Previous imageNext image

          AISIN OPT-804 - Engine Oil Pump

          MPN: OPT-804
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $148.95
          Out of stock

          Product Overview

          The AISIN OPT-804 Engine Oil Pump is designed to deliver optimal oil flow and pressure to your engine, ensuring its smooth operation and longevity. With OE-level quality and precise fitment, this oil pump is built to meet the highest standards of reliability and performance. Trusted by automotive professionals and DIY enthusiasts alike, AISIN products are compatible with a variety of Lexus and Toyota models. Choose AISIN OPT-804 for dependable performance and peace of mind every time you service your vehicle.

          Cross Reference Numbers

          This AISIN OPT-804 is equivalent to or replaces the following part numbers: 15100-0A040, 151000A040, 15100-20050, 1510020050, OPT804, OPT-804.

          Vehicle Compatibility

          • Lexus ES300 3.0 V6 (2002-2003)
          • Lexus ES330 3.3 V6 (2004-2006)
          • Lexus RX330 3.3 V6 (2004-2006)
          • Lexus RX400h 3.3 V6 (2006-2008)
          • Toyota Highlander 3.0 V6 (2001-2003)
          • Toyota Camry 3.0 V6 (2003-2006)
          • Toyota Camry 3.3 V6 (2004-2006)
          • Toyota Sienna 3.3 V6 (2004-2006)
          • Toyota Solara 3.3 V6 (2004-2008)
          • Toyota Highlander 3.3 V6 (2004-2010)

          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 are the symptoms of a failing engine oil pump?

          Common symptoms include low oil pressure, engine noise, and oil leaks. If you suspect issues, consider replacing it with AISIN OPT-804 for a reliable solution.

          How do I know if the AISIN OPT-804 is compatible with my vehicle?

          Refer to the vehicle compatibility list or use the vehicle selector tool to ensure that the AISIN OPT-804 fits your specific make and model.

          What DTC codes may indicate a problem with the oil pump?

          While there are no specific DTCs for the oil pump itself, issues related to oil pressure may trigger codes such as P0520 and P0521. Regular maintenance with AISIN OPT-804 can help prevent these issues.

          How often should I replace my engine oil pump?

          It is recommended to inspect your engine oil pump during major service intervals or if you experience oil pressure issues. Replacing it with AISIN OPT-804 ensures optimum performance.

          Why should I choose AISIN OPT-804 over other brands?

          AISIN is known for its exceptional quality and reliability. Choosing the AISIN OPT-804 means you're opting for a part that meets OE specifications, ensuring your engine runs smoothly.

          Order AISIN OPT-804 today for a factory-correct replacement that restores safety and performance.

            • Newparts SKU
              204173
            • Weight
              3.96 lbs
            • Barcode
              4954514998031
            • Dimensions (L x W x H)
              14.52 x 3.52 x 1.12 in
            • Manufacturer Part #
              OPT-804
          • Brand
            AISIN
          • Manufacturer
            AISIN
          • MPN
            OPT-804
          • OE Part Numbers
            15100-0A040, 151000A040, 15100-20050, 1510020050
          • Cross Reference Numbers
            OPT804, OPT-804
          • Part Type
            Engine Oil Pump
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          2002LexusES300Base (3.0 V6 GAS)
          2002ToyotaHighlanderBase (3.0 V6 GAS)
          2002ToyotaHighlanderLimited (3.0 V6 GAS)
          2003LexusES300Base (3.0 V6 GAS)
          2003ToyotaHighlanderBase (3.0 V6 GAS)
          2003ToyotaHighlanderLimited (3.0 V6 GAS)
          2003ToyotaCamryLE (3.0 V6 GAS)Notes: From 01/2003
          2003ToyotaCamrySE (3.0 V6 GAS)Notes: From 01/2003
          2003ToyotaCamryXLE (3.0 V6 GAS)Notes: From 01/2003
          2001ToyotaHighlanderBase (3.0 V6 GAS)
          2001ToyotaHighlanderLimited (3.0 V6 GAS)
          2004LexusES330Base (3.3 V6 GAS)
          2004LexusRX330Base (3.3 V6 GAS)
          2004ToyotaCamryLE (3.0 V6 GAS)
          2004ToyotaCamrySE (3.3 V6 GAS)
          2004ToyotaCamryXLE (3.0 V6 GAS)
          2004ToyotaHighlanderBase (3.3 V6 GAS)
          2004ToyotaHighlanderLimited (3.3 V6 GAS)
          2004ToyotaSolaraSE (3.3 V6 GAS)
          2004ToyotaSolaraSLE (3.3 V6 GAS)
          2004ToyotaSiennaCE (3.3 V6 GAS)
          2004ToyotaSiennaLE (3.3 V6 GAS)
          2004ToyotaSiennaXLE (3.3 V6 GAS)
          2004ToyotaSiennaXLE Limited (3.3 V6 GAS)
          2008LexusRX400hBase (3.3 V6 FHEV)
          2008ToyotaSolaraSE (3.3 V6 GAS)
          2008ToyotaSolaraSLE (3.3 V6 GAS)
          2008ToyotaSolaraSport (3.3 V6 GAS)
          2008ToyotaHighlanderHybrid (3.3 V6 FHEV)
          2007LexusRX400hBase (3.3 V6 FHEV)
          2007ToyotaHighlanderBase (3.3 V6 GAS)
          2007ToyotaHighlanderHybrid (3.3 V6 FHEV)
          2007ToyotaHighlanderHybrid Limited (3.3 V6 FHEV)
          2007ToyotaHighlanderLimited (3.3 V6 GAS)
          2007ToyotaHighlanderSport (3.3 V6 GAS)
          2007ToyotaSolaraSE (3.3 V6 GAS)
          2007ToyotaSolaraSLE (3.3 V6 GAS)
          2007ToyotaSolaraSport (3.3 V6 GAS)
          2006ToyotaSolaraSE (3.3 V6 GAS)
          2006ToyotaSolaraSE Sport (3.3 V6 GAS)
          2006ToyotaSolaraSLE (3.3 V6 GAS)
          2006ToyotaSiennaCE (3.3 V6 GAS)
          2006ToyotaSiennaLE (3.3 V6 GAS)
          2006ToyotaSiennaLimited (3.3 V6 GAS)
          2006ToyotaSiennaXLE (3.3 V6 GAS)
          2006ToyotaCamryLE (3.0 V6 GAS)
          2006ToyotaCamrySE (3.3 V6 GAS)
          2006ToyotaCamryXLE (3.0 V6 GAS)
          2006ToyotaHighlanderBase (3.3 V6 GAS)
          2006ToyotaHighlanderHybrid (3.3 V6 FHEV)
          2006ToyotaHighlanderHybrid Limited (3.3 V6 FHEV)
          2006ToyotaHighlanderLimited (3.3 V6 GAS)
          2006ToyotaHighlanderSport (3.3 V6 GAS)
          2006LexusRX330Base (3.3 V6 GAS)
          2006LexusES330Base (3.3 V6 GAS)
          2006LexusRX400hBase (3.3 V6 FHEV)
          2005ToyotaSolaraSE (3.3 V6 GAS)
          2005ToyotaSolaraSLE (3.3 V6 GAS)
          2005ToyotaSiennaCE (3.3 V6 GAS)
          2005ToyotaSiennaLE (3.3 V6 GAS)
          2005ToyotaSiennaXLE (3.3 V6 GAS)
          2005ToyotaSiennaXLE Limited (3.3 V6 GAS)
          2005ToyotaHighlanderBase (3.3 V6 GAS)
          2005ToyotaHighlanderLimited (3.3 V6 GAS)
          2005ToyotaCamryLE (3.0 V6 GAS)
          2005ToyotaCamrySE (3.3 V6 GAS)
          2005ToyotaCamryXLE (3.0 V6 GAS)
          2005LexusRX330Base (3.3 V6 GAS)
          2005LexusES330Base (3.3 V6 GAS)
          2009ToyotaHighlanderHybrid (3.3 V6 FHEV)
          2010ToyotaHighlanderHybrid (3.3 V6 FHEV)
          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!