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    Gates 33948 Engine Coolant Thermostat

          Gates 33948 Engine Coolant Thermostat

          SKU: 123|33948
          GATES Engine Coolant Thermostat — OE-grade replacement for reliable performance. Fits multiple makes/models such as Jaguar XJR, Lincoln LS and Ford Thunderbird.
          0.0
          Gates
          Vehicle Specific
          Check if this part fits your vehicle.
          • Placement on Vehicle: Generator
          • $49.00
          Out of stock
          1-year warrantyAll parts covered
          Secure checkoutSSL encrypted
          Free returns30-day no hassle
          Same-day shippingOrder before 3 PM EST

          GATES 33948 Engine Coolant Thermostat

          Verify fitment before purchase — please check the Fitment section below.

          Key Specifications

          • Brand: GATES
          • Manufacturer Part Number: 33948
          • Part Type: Engine Coolant Thermostat
          • Condition: New
          • Warranty: 1 Year

          Vehicle Compatibility

          Fits select vehicle applications. Please enter your vehicle or check the Fitment section below to confirm compatibility.

          Maintain optimal engine temperature with this Gates Engine Coolant Thermostat. Engineered to regulate coolant flow and ensure efficient heat transfer, it helps protect your engine from overheating and supports consistent performance under all driving conditions.

          Why replace this part? Cooling system wear can cause overheating, coolant circulation issues, or slow engine warm-up. Replacing worn cooling components helps restore proper coolant flow and temperature regulation, protecting the engine from heat-related damage and performance loss.

          Key Features & Benefits

          • Precise coolant flow — Helps regulate engine temperature for consistent performance.
          • Durable components — Built to resist wear and maintain reliable operation over time.
          • OE-style fit — Designed to match original mounting points and specifications.
          • Supports engine protection — Helps prevent overheating and ensures proper coolant circulation.
          Product Overview

          Build Quality & Materials

          • Constructed for long-lasting performance.
          • Precision-engineered to maintain consistent coolant flow and temperature regulation.
          • Corrosion-resistant surfaces and seals help ensure reliable operation over time.

          Installation Notes

          • Drain coolant and relieve system pressure before removing pumps or thermostats.
          • Clean and inspect mating surfaces to ensure proper sealing.
          • Refill coolant and check for leaks; ensure correct thermostat operation after installation.

          Why Choose Gates?

          Gates is a global leader in power transmission and fluid transfer solutions, delivering products that help keep engines running efficiently and reliably. With a focus on precision engineering and durability, Gates components support optimal performance under real-world driving conditions.

          • Proven expertise in belts, hoses, and engine components for over a century.
          • Products engineered to meet or exceed OEM specifications.
          • Durable materials and designs validated through rigorous testing for reliability.
          • Trusted by professional technicians and enthusiasts for dependable performance.

          Gates Engineering Advantage

          Gates continually innovates to improve engine performance and component longevity. Advanced design, material selection, and testing ensure Gates products provide consistent power transfer, fluid delivery, and long-term reliability across a wide range of vehicles.

          Shipping & Warranty

          • Fast U.S. shipping from our warehouse on business days.
          • Free returns if the part does not fit or you are not satisfied (see store policy for details).
          • 1-year warranty on this part from date of purchase.
          Product Information

          Item Specifics (Technical)

          • California Proposition 65: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
          • Grade Type: OE Performance
          • Type: OE Type Thermostat
          • Start to Open Temperature: 183 FA / 84 CE
          • Design: Bottom By-Pass
          • Material: Stainless Steel, Copper
          • Height: 4.75 IN
          • Sealing Flange Outside Diameter: 2.63 IN
          • Bypass Flange Diameter: 1.38 IN
          • Bypass Flange Length: 1.43 IN
          • Flange Height: .71 IN
          • Height Between Flanges: 3.33 IN
          • Flange Thickness: .05 IN
          • Jiggle Pin Weep Hole: Yes
          • Jiggle Pin Check Valve Quantity: 1
          • Gasket Quantity: 0
          • Seal Quantity: 1
          • Seal Type: O-Ring
          • Seal Material: Rubber
          • Installation Tool Included: No

          Interchange Part Numbers

          • 14748
          • 31698
          • 33948
          • 388-183
          • 463-183
          • 46383
          • AJ81328
          • XW4Z 8575 CA
            • SKU
              123|33948
            • Weight
              1 lbs
            • Barcode
              0072053879810
            • Manufacturer Part #
              33948
          • Brand
            Gates
          • Placement on Vehicle
            Generator
          • Manufacturer
            Gates
          • MPN
            33948
          • EAN
            0072053879810
          • Part Type
            Engine Coolant Thermostat
          • Interchange Part Number
            14748, 31698, 33948, 388-183, 463-183, 46383, AJ81328, XW4Z 8575 CA
          • Mfr Label
            OE Type Thermostat

          Shipping Policy – DTautoparts

          We ship all orders from our U.S. warehouses with USPS, UPS, or FedEx.

          Processing Time

          • Orders placed before 3 PM EST ship the same day

          • Others ship next business day

          Transit Time

          • Standard shipping: 2–5 business days

          • Expedited shipping: 1–3 business days (optional at checkout)

          Shipping Rates

          • Free standard shipping on all orders

          • Expedited options available at checkout

          Tracking

          All orders include tracking information, emailed automatically once shipped.

          Lost Packages

          If a package is lost in transit, we will:

          • Start an investigation with the carrier

          • Resend the order or issue a full refund if confirmed lost

          Incorrect Addresses

          If the address is incorrect when the order ships:

          • Carrier may return the package

          • We can resend (buyer pays reship fee) or refund the order

          Return Policy – DTautoparts

          At DTautoparts, we want every customer to be fully satisfied with their purchase.
          If an item does not fit your vehicle or you are not fully satisfied, we offer hassle-free returns.

          Return Window

          • Returns accepted within 30 days of delivery.

          • Items must be returned in their original condition unless the item was defective or damaged on arrival.

          Free Returns

          • If the part doesn’t fit, or arrives damaged, we provide a free return shipping label.

          Customer-Responsibility Returns

          (used, installed, incorrect item ordered, changed mind)

          • Buyer pays return shipping.

          • Item must be unused, uninstalled, and in original packaging.

          Incorrect / Defective Parts

          If the part is faulty, damaged, or the wrong item was sent:

          • We will provide a free return label

          • And issue a full refund OR send a replacement

          Refund Time

          Refunds are processed within 2–3 business days after the returned item is received and inspected.

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          We accept the following payment methods:

          Accepted payment methods


          Warranty

          All parts sold by DTautoparts LLC are backed by a 1-year warranty.

          What’s Covered

          • Manufacturing defects

          • Premature failure

          • Broken components not caused by external damage

          What’s Not Covered

          • Normal wear and tear

          • Improper installation

          • Damage from accidents or abuse

          • Modified or altered parts

          How to Request a Warranty Claim

          Please contact us with:

          • Order number

          • Description of the issue

          • Photos or videos of the problem

          We will:

          • Review the claim in 24–48 hours

          • Provide a replacement or refund if approved

          • Fitment Type
            Vehicle Specific
          YearMakeModelSubmodelNotes
          1997JaguarXK8Base (4.0L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          1998JaguarXJ8Base (4.0L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          1998JaguarXJ8L (4.0L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          1998JaguarXJRBase (4.0L V8 Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          1998JaguarXK8Base (4.0L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          1999JaguarVanden PlasBase (4.0L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          1999JaguarXJ8Base (4.0L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          1999JaguarXJ8L (4.0L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          1999JaguarXJRBase (4.0L V8 Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          1999JaguarXK8Base (4.0L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2000JaguarS-TypeBase (4.0L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2000JaguarVanden PlasBase (4.0L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2000JaguarVanden PlasSC (4.0L V8 Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2000JaguarXJ8Base (4.0L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2000JaguarXJ8L (4.0L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2000JaguarXJRBase (4.0L V8 Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2000JaguarXK8Base (4.0L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2000JaguarXKRBase (4.0L V8 Supercharged)183 Degree; OE Temperature; Seal included;
          2000LincolnLSBase (3.9L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2001JaguarS-TypeBase (4.0L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2001JaguarVanden PlasBase (4.0L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2001JaguarVanden PlasSC (4.0L V8 Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2001JaguarXJ8Base (4.0L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2001JaguarXJ8L (4.0L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2001JaguarXJRBase (4.0L V8 Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2001JaguarXK8Base (4.0L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2001JaguarXKRBase (4.0L V8 Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2001JaguarXKRSilverstone (4.0L V8 Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2001LincolnLSBase (3.9L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2001LincolnLSLSE (3.9L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2002FordThunderbirdBase (3.9L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2002FordThunderbirdNeiman Marcus (3.9L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2002JaguarS-TypeBase (4.0L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2002JaguarVanden PlasBase (4.0L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2002JaguarVanden PlasSC (4.0L V8 Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2002JaguarXJ8Base (4.0L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2002JaguarXJ8Sport (4.0L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2002JaguarXJR100 (4.0L V8 Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2002JaguarXJRBase (4.0L V8 Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2002JaguarXK8Base (4.0L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2002JaguarXKR100 (4.0L V8 Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2002JaguarXKRBase (4.0L V8 Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2002LincolnLSBase (3.9L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2002LincolnLSLSE (3.9L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2003FordThunderbirdBase (3.9L V8)Oct. 31 and Older; Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2003FordThunderbirdJames Bond Edition (3.9L V8)Oct. 31 and Older; Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2003JaguarS-TypeR (4.2L V8 GAS Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2003JaguarVanden PlasBase (4.0L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2003JaguarVanden PlasSC (4.0L V8 Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2003JaguarXJ8Base (4.0L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2003JaguarXJ8Sport (4.0L V8)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2003JaguarXJRBase (4.0L V8 Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2003JaguarXKRBase (4.2L V8 GAS Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2003LincolnLSBase (3.9L V8)Oct. 31 and Older; Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2003LincolnLSLSE (3.9L V8)Oct. 31 and Older; Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2004JaguarS-TypeR (4.2L V8 GAS Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2004JaguarXJRBase (4.2L V8 GAS Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2004JaguarXKRBase (4.2L V8 GAS Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2005JaguarS-TypeR (4.2L V8 GAS Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2005JaguarSuper V8Base (4.2L V8 GAS Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2005JaguarXJRBase (4.2L V8 GAS Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2005JaguarXKRBase (4.2L V8 GAS Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2006JaguarS-TypeR (4.2L V8 GAS Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2006JaguarSuper V8Base (4.2L V8 GAS Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2006JaguarSuper V8Portfolio (4.2L V8 GAS Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2006JaguarXJRBase (4.2L V8 GAS Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2006JaguarXKRBase (4.2L V8 GAS Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2006JaguarXKRVictory Edition (4.2L V8 GAS Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2007JaguarS-TypeR (4.2L V8 GAS Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2007JaguarSuper V8Base (4.2L V8 GAS Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2007JaguarXJRBase (4.2L V8 GAS Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2007JaguarXKRBase (4.2L V8 GAS Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2008JaguarS-TypeR (4.2L V8 GAS Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2008JaguarSuper V8Base (4.2L V8 GAS Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2008JaguarXJRBase (4.2L V8 GAS Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2008JaguarXKRBase (4.2L V8 GAS Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2008JaguarXKRPortfolio (4.2L V8 GAS Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2009JaguarSuper V8Base (4.2L V8 GAS Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2009JaguarXFLuxury (4.2L V8 GAS)183 Degree; OE Temperature; Seal included;
          2009JaguarXFPremium Luxury (4.2L V8 GAS)183 Degree; OE Temperature; Seal included;
          2009JaguarXFSupercharged (4.2L V8 GAS Supercharged)183 Degree; OE Temperature; Seal included;
          2009JaguarXJ8Base (4.2L V8 GAS)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2009JaguarXJ8L (4.2L V8 GAS)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2009JaguarXJRBase (4.2L V8 GAS Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2009JaguarXKBase (4.2L V8 GAS)183 Degree; OE Temperature; Seal included;
          2009JaguarXKRBase (4.2L V8 GAS Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2009JaguarXKRPortfolio (4.2L V8 GAS Supercharged)Excludes Housing; 183 Degree; OE Temperature; Seal included;
          2010JaguarXFBase (4.2L V8 GAS)183 Degree; OE Temperature; Seal included;

          Frequently Asked Questions

          Does this part fit my vehicle?

          Use the Year/Make/Model selector at the top of the page.
          If unsure, contact us — we respond within minutes.

          Is this part new or used?

          All parts are brand-new, factory-fresh, and never used.

          Does this include hardware?

          If included, it will appear in the product images or description.
          If not listed, assume hardware is not included.

          What if the part doesn’t fit?

          No problem — we offer free returns on items that do not fit your vehicle.

          What warranty does this part come with?

          Every part includes a 1-year warranty.

          How fast do you ship?

          Orders before 3 PM EST ship the same day.

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