HomeGates 31708KA Fuel Tank Cap
Part #: 31708KA

Gates 31708KA Fuel Tank Cap

Keyed Alike Fuel Cap
⚙️ 176 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Keyed Alike Fuel Cap
🚗Fitment: Audi, Mazda, and Volkswagen, A3, A3 Quattro, A4, A4 Quattro, A6, A6 Quattro, A8 Quattro, Beetle, Beetle Cabrio, Bora, Clasico, GLI, Golf, Golf R, Golf SportWagen, GTI, Jetta, Jetta City, Phaeton, R32, RS4, RX-7, S4, S5, S6, and TT
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Secure and Reliable Fuel Tank Cap for Audi, Mazda, Volkswagen

The Gates 31708KA Keyed Alike Fuel Cap offers a lockable solution designed for select Audi, Mazda, and Volkswagen models. Engineered with a threaded cam type and pressure relief venting, this fuel tank cap ensures secure sealing and proper fuel system ventilation.

  • Lockable keyed alike design for added security
  • Thread diameter of 1.77 inches for precise fitment
  • Shell diameter measures 2.91 inches
  • Depth of 2.61 inches for compatibility with OEM fuel necks
  • Pressure relief venting to maintain fuel system integrity
  • Threaded cam type for secure attachment

About the Gates Keyed Alike Fuel Cap Line

The Gates Keyed Alike Fuel Cap product line focuses on providing lockable fuel caps that use a single key for multiple caps, enhancing convenience and security. This line is designed to meet OEM specifications for fit and function, making it suitable for vehicles requiring keyed alike fuel caps, such as the Audi A3, A4, A6, and Volkswagen Golf models.

Product Details and Specifications

The Gates 31708KA fuel tank cap features a lockable design that helps prevent unauthorized access to the fuel tank. Its threaded cam type ensures a tight and secure fit, while the pressure relief venting allows for proper fuel system pressure management, reducing the risk of vapor lock or fuel system damage. The cap’s dimensions, including a 1.77-inch thread diameter and 2.91-inch shell diameter, are engineered to match the fuel filler necks of compatible vehicles.

Compatible Vehicles and Applications

  • Compatible with Audi models: A3, A3 Quattro, A4, A4 Quattro, A6, A6 Quattro, A8 Quattro, RS4, S4, S5, S6, TT
  • Compatible with Volkswagen models: Beetle, Beetle Cabrio, Bora, Clasico, GLI, Golf, Golf R, Golf SportWagen, GTI, Jetta, Jetta City, Phaeton, R32
  • Compatible with Mazda RX-7
  • Ideal for replacing worn or damaged fuel caps
  • Helps prevent fuel theft and contamination

Installation Notes and Tips

Installation of the Gates 31708KA fuel tank cap is straightforward due to its threaded cam design. Align the cap with the fuel filler neck and turn clockwise until securely tightened. Ensure the key mechanism operates smoothly to lock and unlock the cap. Regularly inspect the cap for wear or damage to maintain proper sealing and security.

Quality Assurance and Warranty

Gates manufactures the 31708KA fuel tank cap to meet strict quality standards, ensuring durability and reliable performance. This part is engineered to OEM specifications for fit and function. Please refer to Gates’ official warranty policy for coverage details.

BrandGates
Part Number31708KA
PositionKeyed Alike Fuel Cap
LockableYes
TypeKeyed alike fuel caps
Thread Diameter1.77
Depth2.61
98332.91
9849Pressure relief
Cam TypeThreaded
Cam TypeThreaded
Shell Diameter (in)2.91
VentingPressure relief

This part fits 176 vehicles. Search below:

YearMakeModelDrive TypeLitersCylindersFuel TypePositionNotes
2018VolkswagenJetta2.5LL5GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2016VolkswagenJetta2.5LL5GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2015VolkswagenClasico2.0LL4GASN/AKeyed Alike Fuel Cap
2015VolkswagenJetta2.5LL5GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2014VolkswagenClasico2.0LL4GASN/AKeyed Alike Fuel Cap
2014VolkswagenGTI2.0LL4GASN/AKeyed Alike Fuel Cap
2014VolkswagenJetta2.5LL5GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2013VolkswagenClasico2.0LL4GASN/AKeyed Alike Fuel Cap
2013VolkswagenGolf2.0LL4GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2013VolkswagenGolf2.5LL5GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2013VolkswagenGolf R2.0LL4GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2013VolkswagenGolf SportWagen2.5LL5GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2013VolkswagenGTI2.0LL4GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2013VolkswagenJetta2.5LL5GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2012VolkswagenClasico2.0LL4GASN/AKeyed Alike Fuel Cap
2012VolkswagenGolf2.0LL4DIESELN/AKeyed Alike Fuel Cap
2012VolkswagenGolf2.5LL5GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2012VolkswagenGolf R2.0LL4GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2012VolkswagenGolf SportWagen2.5LL5GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2012VolkswagenGTI2.0LL4GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2012VolkswagenJetta2.5LL5GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2011VolkswagenBeetle2.0LL4GASN/AKeyed Alike Fuel Cap
2011VolkswagenClasico2.0LL4GASN/AKeyed Alike Fuel Cap
2011VolkswagenGolf2.5LL5GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2011VolkswagenGolf SportWagen2.5LL5GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2011VolkswagenGTI2.0LL4GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2011VolkswagenJetta2.5LL5GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2010AudiA63.2LV6GASN/AKeyed Alike Fuel Cap
2010AudiA6 Quattro3.0LV6GASN/AKeyed Alike Fuel Cap
2010AudiA6 Quattro4.2LV8GASN/AKeyed Alike Fuel Cap
2010AudiS65.2LV10GASN/AKeyed Alike Fuel Cap
2010VolkswagenBeetle2.0LL4GASN/AKeyed Alike Fuel Cap
2010VolkswagenBeetle2.5LL5GASN/AKeyed Alike Fuel Cap
2010VolkswagenBeetle Cabrio2.5LL5GASN/AKeyed Alike Fuel Cap
2010VolkswagenBora2.5LL5GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2010VolkswagenGLI2.0LL4GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2010VolkswagenGolf2.5LL5GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2010VolkswagenGolf SportWagen2.5LL5GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2010VolkswagenGTI2.0LL4GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2010VolkswagenJetta2.0LL4GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2010VolkswagenJetta2.5LL5GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2009AudiA32.0LL4GASN/AKeyed Alike Fuel Cap
2009AudiA3 Quattro2.0LL4GASN/AKeyed Alike Fuel Cap
2009AudiA3 Quattro3.2LV6GASN/AKeyed Alike Fuel Cap
2009AudiA4 Quattro3.2LV6GASN/AKeyed Alike Fuel Cap
2009AudiA63.2LV6GASN/AKeyed Alike Fuel Cap
2009AudiA6 Quattro3.0LV6GASN/AKeyed Alike Fuel Cap
2009AudiA6 Quattro3.2LV6GASN/AKeyed Alike Fuel Cap
2009AudiA6 Quattro4.2LV8GASN/AKeyed Alike Fuel Cap
2009AudiS44.2LV8GASN/AKeyed Alike Fuel Cap
2009AudiS54.2LV8GASN/AKeyed Alike Fuel Cap
2009AudiS65.2LV10GASN/AKeyed Alike Fuel Cap
2009VolkswagenBeetle2.0LL4GASN/AKeyed Alike Fuel Cap
2009VolkswagenBeetle2.5LL5GASN/AKeyed Alike Fuel Cap
2009VolkswagenBora2.5LL5GASN/AKeyed Alike Fuel Cap
2009VolkswagenGTI2.0LL4GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2009VolkswagenJetta2.5LL5GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2008AudiA32.0LL4GASN/AKeyed Alike Fuel Cap
2008AudiA3 Quattro2.0LL4GASN/AKeyed Alike Fuel Cap
2008AudiA3 Quattro3.2LV6GASN/AKeyed Alike Fuel Cap
2008AudiA42.0LL4GASN/AKeyed Alike Fuel Cap
2008AudiA43.2LV6GASN/AKeyed Alike Fuel Cap
2008AudiA4 Quattro2.0LL4GASN/AKeyed Alike Fuel Cap
2008AudiA4 Quattro3.2LV6GASN/AKeyed Alike Fuel Cap
2008AudiA63.2LV6GASN/AKeyed Alike Fuel Cap
2008AudiA6 Quattro3.2LV6GASN/AKeyed Alike Fuel Cap
2008AudiA6 Quattro4.2LV8GASN/AKeyed Alike Fuel Cap
2008AudiRS44.2LV8GASN/AKeyed Alike Fuel Cap
2008AudiS44.2LV8GASN/AKeyed Alike Fuel Cap
2008AudiS65.2LV10GASN/AKeyed Alike Fuel Cap
2008VolkswagenBeetle2.5LL5GASN/AKeyed Alike Fuel Cap
2008VolkswagenBora2.0LL4GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2008VolkswagenBora2.5LL5GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2008VolkswagenGTI2.0LL4GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2008VolkswagenJetta2.0LL4GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2008VolkswagenJetta2.5LL5GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2008VolkswagenJetta City2.0LL4GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2008VolkswagenR323.2LV6GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2007AudiA32.0LL4GASN/AKeyed Alike Fuel Cap
2007AudiA3 Quattro2.0LL4GASN/AKeyed Alike Fuel Cap
2007AudiA3 Quattro3.2LV6GASN/AKeyed Alike Fuel Cap
2007AudiA42.0LL4GASN/AKeyed Alike Fuel Cap
2007AudiA43.2LV6GASN/AKeyed Alike Fuel Cap
2007AudiA4 Quattro2.0LL4GASN/AKeyed Alike Fuel Cap
2007AudiA4 Quattro3.2LV6GASN/AKeyed Alike Fuel Cap
2007AudiA63.2LV6GASN/AKeyed Alike Fuel Cap
2007AudiA6 Quattro3.2LV6GASN/AKeyed Alike Fuel Cap
2007AudiA6 Quattro4.2LV8GASN/AKeyed Alike Fuel Cap
2007AudiRS44.2LV8GASN/AKeyed Alike Fuel Cap
2007AudiS44.2LV8GASN/AKeyed Alike Fuel Cap
2007AudiS65.2LV10GASN/AKeyed Alike Fuel Cap
2007VolkswagenBeetle2.5LL5GASN/AKeyed Alike Fuel Cap
2007VolkswagenBora2.0LL4GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2007VolkswagenBora2.5LL5GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2007VolkswagenGTI2.0LL4GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2007VolkswagenJetta2.0LL4GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2007VolkswagenJetta2.5LL5GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2007VolkswagenJetta City2.0LL4GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2006AudiA32.0LL4GASN/AKeyed Alike Fuel Cap
2006AudiA3 Quattro2.0LL4GASN/AKeyed Alike Fuel Cap
2006AudiA3 Quattro3.2LV6GASN/AKeyed Alike Fuel Cap
2006AudiA41.8LL4GASN/AKeyed Alike Fuel Cap
2006AudiA42.0LL4GASN/AKeyed Alike Fuel Cap
2006AudiA43.2LV6GASN/AKeyed Alike Fuel Cap
2006AudiA4 Quattro2.0LL4GASN/AKeyed Alike Fuel Cap
2006AudiA4 Quattro3.0LV6GASN/AKeyed Alike Fuel Cap
2006AudiA4 Quattro3.2LV6GASN/AKeyed Alike Fuel Cap
2006AudiA63.2LV6GASN/AKeyed Alike Fuel Cap
2006AudiA6 Quattro3.2LV6GASN/AKeyed Alike Fuel Cap
2006AudiA6 Quattro4.2LV8GASN/AKeyed Alike Fuel Cap
2006AudiS44.2LV8GASN/AKeyed Alike Fuel Cap
2006VolkswagenBeetle2.0LL4GASN/AKeyed Alike Fuel Cap
2006VolkswagenBeetle2.5LL5GASN/AKeyed Alike Fuel Cap
2006VolkswagenBora2.0LL4GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2006VolkswagenBora2.5LL5GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2006VolkswagenJetta2.0LL4GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2006VolkswagenJetta2.5LL5GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2006VolkswagenPhaeton4.2LV8GASN/AKeyed Alike Fuel Cap
2006VolkswagenPhaeton6.0LW12GASN/AKeyed Alike Fuel Cap
2005AudiA41.8LL4GASN/AKeyed Alike Fuel Cap
2005AudiA42.0LL4GASN/AKeyed Alike Fuel Cap
2005AudiA43.0LV6GASN/AKeyed Alike Fuel Cap
2005AudiA43.2LV6GASN/AKeyed Alike Fuel Cap
2005AudiA4 Quattro1.8LL4GASN/AKeyed Alike Fuel Cap
2005AudiA4 Quattro2.0LL4GASN/AKeyed Alike Fuel Cap
2005AudiA4 Quattro3.0LV6GASN/AKeyed Alike Fuel Cap
2005AudiA4 Quattro3.2LV6GASN/AKeyed Alike Fuel Cap
2005AudiA6 Quattro3.2LV6GASN/AKeyed Alike Fuel Cap
2005AudiA6 Quattro4.2LV8GASN/AKeyed Alike Fuel Cap
2005AudiA8 Quattro4.2LV8GASN/AKeyed Alike Fuel Cap
2005AudiS44.2LV8GASN/AKeyed Alike Fuel Cap
2005AudiTTFWD1.8LL4GASN/AKeyed Alike Fuel Cap
2005VolkswagenBeetle1.8LL4GASN/AOE Has Tether; Keyed Alike Fuel Cap
2005VolkswagenBeetle1.9LL4DIESELN/AOE Has Tether; Keyed Alike Fuel Cap
2005VolkswagenBeetle2.0LL4GASN/AOE Has Tether; Keyed Alike Fuel Cap
2005VolkswagenBora2.5LL5GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2005VolkswagenGolf1.8LL4GASN/AW/O Central Locking Fuel Cap; Keyed Alike Fuel Cap
2005VolkswagenGolf1.9LL4DIESELN/AW/O Central Locking Fuel Cap; Keyed Alike Fuel Cap
2005VolkswagenGolf2.0LL4GASN/AW/O Central Locking Fuel Cap; Keyed Alike Fuel Cap
2005VolkswagenGolf2.8LV6GASN/AW/O Central Locking Fuel Cap; Keyed Alike Fuel Cap
2005VolkswagenJetta1.8LL4GASN/AW/O Central Locking Fuel Cap; Keyed Alike Fuel Cap
2005VolkswagenJetta1.9LL4DIESELN/AW/O Central Locking Fuel Cap; Keyed Alike Fuel Cap
2005VolkswagenJetta2.0LL4GASN/AW/O Central Locking Fuel Cap; Keyed Alike Fuel Cap
2005VolkswagenJetta2.5LL5GASN/AW/Threaded Filler Neck; Keyed Alike Fuel Cap
2005VolkswagenPhaeton4.2LV8GASN/AKeyed Alike Fuel Cap
2005VolkswagenPhaeton6.0LW12GASN/AKeyed Alike Fuel Cap
2004AudiA41.8LL4GASN/AKeyed Alike Fuel Cap
2004AudiA43.0LV6GASN/AKeyed Alike Fuel Cap
2004AudiA4 Quattro1.8LL4GASN/AKeyed Alike Fuel Cap
2004AudiA4 Quattro3.0LV6GASN/AKeyed Alike Fuel Cap
2004AudiS44.2LV8GASN/AKeyed Alike Fuel Cap
2004VolkswagenBeetle1.8LL4GASN/AOE Has Tether; Keyed Alike Fuel Cap
2004VolkswagenBeetle1.9LL4DIESELN/AOE Has Tether; Keyed Alike Fuel Cap
2004VolkswagenBeetle2.0LL4GASN/AOE Has Tether; Keyed Alike Fuel Cap
2004VolkswagenGolf1.9LL4DIESELN/AW/O Central Locking Fuel Cap; Keyed Alike Fuel Cap
2004VolkswagenGolf2.0LL4GASN/AW/O Central Locking Fuel Cap; Keyed Alike Fuel Cap
2004VolkswagenJetta1.8LL4GASN/AW/O Central Locking Fuel Cap; Keyed Alike Fuel Cap
2004VolkswagenJetta1.9LL4DIESELN/AW/O Central Locking Fuel Cap; Keyed Alike Fuel Cap
2004VolkswagenJetta2.0LL4GASN/AW/O Central Locking Fuel Cap; Keyed Alike Fuel Cap
2004VolkswagenJetta2.8LV6GASN/AW/O Central Locking Fuel Cap; Keyed Alike Fuel Cap
2004VolkswagenPhaeton4.2LV8GASN/AKeyed Alike Fuel Cap
2004VolkswagenPhaeton6.0LW12GASN/AKeyed Alike Fuel Cap
2003VolkswagenJetta1.8LL4GASN/AW/O Central Locking Fuel Cap; Keyed Alike Fuel Cap
2003VolkswagenJetta1.9LL4DIESELN/AW/O Central Locking Fuel Cap; Keyed Alike Fuel Cap
2003VolkswagenJetta2.0LL4GASN/AW/O Central Locking Fuel Cap; Keyed Alike Fuel Cap
2003VolkswagenJetta2.8LV6GASN/AW/O Central Locking Fuel Cap; Keyed Alike Fuel Cap
2002VolkswagenJetta1.8LL4GASN/AW/O Central Locking Fuel Cap; Keyed Alike Fuel Cap
2002VolkswagenJetta1.9LL4DIESELN/AW/O Central Locking Fuel Cap; Keyed Alike Fuel Cap
2002VolkswagenJetta2.0LL4GASN/AW/O Central Locking Fuel Cap; Keyed Alike Fuel Cap
2002VolkswagenJetta2.8LV6GASN/AW/O Central Locking Fuel Cap; Keyed Alike Fuel Cap
1991MazdaRX-71.3LR2GASN/AKeyed Alike Fuel Cap
1990MazdaRX-71.3LR2GASN/AKeyed Alike Fuel Cap
1989MazdaRX-71.3LR2GASN/AKeyed Alike Fuel Cap
1988MazdaRX-71.3LR2GASN/AKeyed Alike Fuel Cap
1987MazdaRX-71.3LR2GASN/AKeyed Alike Fuel Cap
1986MazdaRX-71.3LR2GASN/AKeyed Alike Fuel Cap

* 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:

1759735056KA46357KA703-1598MGC-797SK

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