HomeBelts and Cooling > Thermostat and HousingGates 33948 Engine Coolant Thermostat
Part #: 33948

Gates 33948 Engine Coolant Thermostat

OE Type Thermostat
⚙️ 64 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦OE Type Thermostat
🚗Fitment: Jaguar, Ford, and Lincoln, XF, Super V8, Vanden Plas, XJ8, XJR, XK, XKR, S-Type, Thunderbird, LS, and XK8
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Reliable Engine Cooling with Gates OE Type Thermostat 33948

The Gates OE Type Thermostat 33948 is engineered to maintain optimal engine temperature for Ford, Jaguar, and Lincoln vehicles. Designed with durable stainless steel and copper materials, this engine coolant thermostat ensures precise temperature regulation and reliable performance.

  • Constructed from stainless steel and copper for durability
  • Bottom by-pass design with jiggle pin weep hole for effective coolant flow
  • O-ring seal type with rubber seal material for leak prevention
  • Start to open temperature at 183°F (84°C) for accurate thermal control
  • Compatible with Ford Thunderbird, Lincoln LS, Jaguar XJ8, XK8, and other models

About the Gates OE Type Thermostat Product Line

The OE Type Thermostat line by Gates is designed to meet original equipment performance standards. This product line focuses on delivering thermostats that match the exact specifications and quality of factory-installed parts. The 33948 thermostat exemplifies this approach by providing OE performance ratings and precise fitment for select Ford, Jaguar, and Lincoln models.

Detailed Product Description

The Gates 33948 thermostat features a bottom by-pass design that allows coolant to circulate efficiently during engine warm-up, reducing wear and improving fuel efficiency. Its stainless steel and copper construction offers corrosion resistance and long service life. The thermostat includes a jiggle pin weep hole to prevent air locks and ensure smooth coolant flow. With a sealing flange outside diameter of 2.63 inches and an O-ring seal, it provides a secure, leak-free fit. The thermostat opens at 183°F (84°C), maintaining optimal engine temperature for reliable operation.

Common Applications and Problem Solving

  • Prevents engine overheating by regulating coolant flow
  • Eliminates coolant leaks with durable O-ring seal
  • Reduces engine warm-up time for improved efficiency
  • Prevents air locks with integrated jiggle pin weep hole
  • Ensures proper fitment for Ford Thunderbird, Jaguar XF, and Lincoln Vanden Plas models

Installation Notes and Tips

The Gates 33948 thermostat does not include an installation tool, so ensure you have the appropriate tools for removal and installation. Verify the correct orientation of the bottom by-pass design during installation. Inspect the housing and gasket surfaces for cleanliness to ensure a proper seal. Replacement is recommended when the engine shows signs of overheating or inconsistent temperature regulation.

Quality Assurance and Warranty

Gates OE Type Thermostats are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. This thermostat carries an OE comparison rating, confirming its suitability as a direct replacement part. While specific warranty details are not provided, Gates products typically come with manufacturer-backed quality assurance to support long-term use.

BrandGates
Part Number33948
PositionOE Type Thermostat
.71
1
1
1.38
1.43
By-Pass Flange Diameter (in)1.38
DesignBottom By-Pass
DesignBottom By-Pass
Flange Thickness.05
Gasket Quantity0
Height1.81
Height4.75
Height Between Flanges1.1
Height Between Flanges3.33
Height from Flange (in).71
Includes Installation ToolNo
Installation Tool IncludedNo
Jiggle Pin Weep HoleYes
MaterialStainless Steel, Copper
MaterialSteel, Copper
Number of Gaskets0
Number of Jiggle Pins/Check Valves1
Number of Seals1
OE Comparison RatingOE Performance
Seal MaterialRubber
Seal TypeO-Ring
Sealing Flange Outside Diameter2.63
Start to Open Temperature84
Start to Open Temperature183
TypeOE Type Thermostat

This part fits 64 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2010JaguarXF4.2LV8GASN/A183 Degree; OE Temperature; Seal included; OE Type Thermostat
2009JaguarSuper V84.2LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2009JaguarVanden Plas4.2LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2009JaguarXF4.2LV8GASN/A183 Degree; OE Temperature; Seal included; OE Type Thermostat
2009JaguarXJ84.2LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2009JaguarXJR4.2LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2009JaguarXK4.2LV8GASN/A183 Degree; OE Temperature; Seal included; OE Type Thermostat
2009JaguarXKR4.2LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2008JaguarS-Type4.2LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2008JaguarSuper V84.2LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2008JaguarXJR4.2LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2008JaguarXKR4.2LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2007JaguarS-Type4.2LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2007JaguarSuper V84.2LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2007JaguarXJR4.2LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2007JaguarXKR4.2LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2006JaguarS-Type4.2LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2006JaguarSuper V84.2LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2006JaguarXJR4.2LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2006JaguarXKR4.2LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2005JaguarS-Type4.2LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2005JaguarSuper V84.2LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2005JaguarXJR4.2LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2005JaguarXKR4.2LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2004JaguarS-Type4.2LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2004JaguarXJR4.2LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2004JaguarXKR4.2LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2003FordThunderbird3.9LV8GASN/AOct. 31 & Older; Excludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2003JaguarS-Type4.2LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2003JaguarVanden Plas4.0LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2003JaguarXJ84.0LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2003JaguarXJR4.0LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2003JaguarXKR4.2LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2003LincolnLS3.9LV8GASN/AOct. 31 & Older; Excludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2002FordThunderbird3.9LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2002JaguarS-Type4.0LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2002JaguarVanden Plas4.0LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2002JaguarXJ84.0LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2002JaguarXJR4.0LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2002JaguarXK84.0LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2002JaguarXKR4.0LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2002LincolnLS3.9LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2001JaguarS-Type4.0LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2001JaguarVanden Plas4.0LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2001JaguarXJ84.0LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2001JaguarXJR4.0LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2001JaguarXK84.0LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2001JaguarXKR4.0LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2001LincolnLS3.9LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2000JaguarS-Type4.0LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2000JaguarVanden Plas4.0LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2000JaguarXJ84.0LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2000JaguarXJR4.0LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2000JaguarXK84.0LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
2000JaguarXKR4.0LV8GASN/A183 Degree; OE Temperature; Seal included; OE Type Thermostat
2000LincolnLS3.9LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
1999JaguarVanden Plas4.0LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
1999JaguarXJ84.0LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
1999JaguarXJR4.0LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
1999JaguarXK84.0LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
1998JaguarXJ84.0LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
1998JaguarXJR4.0LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
1998JaguarXK84.0LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat
1997JaguarXK84.0LV8GASN/AExcludes Housing; 183 Degree; OE Temperature; Seal included; OE Type Thermostat

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

147483169833948388-183463-18346383AJ81328XW4Z 8575 CA

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.