Part #: 31703

Gates 31703 Fuel Tank Cap

Regular Locking Fuel Cap
⚙️ 233 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Regular Locking Fuel Cap
🚗Fitment: Porsche, Chevrolet, Volkswagen, Audi, Hummer, AM General, Saab, Cadillac, and Mazda, 911, Chevy, Touareg, Boxster, Cayman, Q7, H1, Cayenne, Chevy Monza, Chevy Pickup, Hummer, 9-3, Catera, 9000, MPV, MX-3, 968, 900, 323, Protege, 626, MX-6, 929, 944, B2200, B2600, 924, and B2000
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Overview of Gates Regular Locking Fuel Cap 31703

The Gates Regular Locking Fuel Cap 31703 is designed to provide secure fuel tank sealing for a variety of vehicles including Audi, Chevrolet, Mazda, Porsche, and Volkswagen models. This lockable fuel tank cap features a threaded cam type and a non-vented design, ensuring reliable fuel containment and theft prevention.

  • Lockable fuel tank cap for added security
  • Threaded cam type for secure fitment
  • Non-vented design to prevent fuel vapor escape
  • Shell diameter of 2.91 inches and thread diameter of 1.77 inches
  • Compatible with multiple makes and models including Audi 9-3, Porsche 911, and Chevrolet Pickup

Product Line Details: Regular Locking Fuel Cap

The Gates Regular Locking Fuel Cap line focuses on providing durable and secure fuel caps with locking mechanisms to prevent unauthorized access. The 31703 part number belongs to this line, offering a non-vented, threaded design that fits a range of vehicles requiring a reliable locking fuel cap solution.

Detailed Product Description

This fuel tank cap features a threaded cam type that ensures a tight and secure seal on the fuel tank opening. With a shell diameter of 2.91 inches and a thread diameter of 1.77 inches, it is engineered to fit specific fuel tank openings on vehicles such as the Mazda 626, Porsche Boxster, and Volkswagen Touareg. The non-vented design helps maintain fuel system integrity by preventing vapor leaks, which is essential for emissions control and fuel efficiency. The lockable feature adds an extra layer of security, reducing the risk of fuel theft or tampering.

Common Applications and Problem Solving

  • Prevents unauthorized fuel access and theft
  • Maintains proper fuel system pressure with non-vented design
  • Stops fuel vapor leaks to comply with emissions standards
  • Replaces worn or damaged fuel caps on compatible Audi, Cadillac, and Saab models
  • Ensures a secure fit on threaded fuel tank openings

Installation Notes and Tips

Installation of the Gates 31703 fuel cap is straightforward. Align the threaded cam with the fuel tank opening and turn clockwise until securely tightened. Ensure the locking mechanism engages properly to prevent accidental removal. This cap is designed for vehicles with a 1.77-inch thread diameter and a 2.91-inch shell diameter, so verify compatibility with your vehicle’s specifications before installation.

Quality Assurance and Warranty

Gates manufactures the Regular Locking Fuel Cap 31703 to meet industry standards for durability and performance. While specific warranty details are not provided, Gates products typically undergo rigorous quality control to ensure reliable operation and long service life in automotive fuel systems.

BrandGates
Part Number31703
PositionRegular Locking Fuel Cap
2.91
Non-Vented
Cam TypeThreaded
Cam TypeThreaded
Depth2.61
LockableYes
Shell Diameter (in)2.91
Thread Diameter1.77
TypeRegular Fuel Cap
VentingNon-Vented

This part fits 233 vehicles. Search below:

YearMakeModelBody TypeDrive TypeLitersCylindersFuel TypePositionNotes
2017Porsche718 Boxster2.5LH4GASN/ARegular Locking Fuel Cap
2017Porsche718 Cayman2.5LH4GASN/ARegular Locking Fuel Cap
2013Porsche9113.4LH6GASN/ARegular Locking Fuel Cap
2013Porsche9113.8LH6GASN/ARegular Locking Fuel Cap
2012ChevroletChevy1.6LL4GASN/ARegular Locking Fuel Cap
2012PorscheBoxster2.9LH6GASN/ARegular Locking Fuel Cap
2012PorscheCayman2.9LH6GASN/ARegular Locking Fuel Cap
2011ChevroletChevy1.6LL4GASN/ARegular Locking Fuel Cap
2011PorscheBoxster2.9LH6GASN/ARegular Locking Fuel Cap
2011PorscheCayman2.9LH6GASN/ARegular Locking Fuel Cap
2010ChevroletChevy1.6LL4GASN/ARegular Locking Fuel Cap
2010Porsche9113.6LH6GASN/ARegular Locking Fuel Cap
2010Porsche9113.8LH6GASN/ARegular Locking Fuel Cap
2010PorscheBoxster2.9LH6GASN/ARegular Locking Fuel Cap
2010PorscheCayman2.9LH6GASN/ARegular Locking Fuel Cap
2010VolkswagenTouareg3.0LV6DIESELN/ARegular Locking Fuel Cap
2010VolkswagenTouareg3.6LV6GASN/ARegular Locking Fuel Cap
2009ChevroletChevy1.6LL4GASN/ARegular Locking Fuel Cap
2009Porsche9113.6LH6GASN/ARegular Locking Fuel Cap
2009Porsche9113.8LH6GASN/ARegular Locking Fuel Cap
2009PorscheBoxster2.9LH6GASN/ARegular Locking Fuel Cap
2009PorscheCayman2.9LH6GASN/ARegular Locking Fuel Cap
2009VolkswagenTouareg3.6LV6GASN/ARegular Locking Fuel Cap
2009VolkswagenTouareg4.2LV8GASN/ARegular Locking Fuel Cap
2008ChevroletChevy1.6LL4GASN/ARegular Locking Fuel Cap
2008Porsche9113.6LH6GASN/ARegular Locking Fuel Cap
2008Porsche9113.8LH6GASN/ARegular Locking Fuel Cap
2008PorscheBoxster3.4LH6GASN/ARegular Locking Fuel Cap
2008PorscheCayman2.7LH6GASN/ARegular Locking Fuel Cap
2008PorscheCayman3.4LH6GASN/ARegular Locking Fuel Cap
2008VolkswagenTouareg5.0LV10DIESELN/ARegular Locking Fuel Cap
2008VolkswagenTouareg3.6LV6GASN/ARegular Locking Fuel Cap
2008VolkswagenTouareg4.2LV8GASN/ARegular Locking Fuel Cap
2007AudiQ73.6LV6GASN/ARegular Locking Fuel Cap
2007ChevroletChevy1.6LL4GASN/ARegular Locking Fuel Cap
2007Porsche9113.6LH6GASN/ARegular Locking Fuel Cap
2007Porsche9113.8LH6GASN/ARegular Locking Fuel Cap
2007PorscheBoxster2.7LH6GASN/ARegular Locking Fuel Cap
2007PorscheBoxster3.4LH6GASN/ARegular Locking Fuel Cap
2007PorscheCayman2.7LH6GASN/ARegular Locking Fuel Cap
2007PorscheCayman3.4LH6GASN/ARegular Locking Fuel Cap
2007VolkswagenTouareg3.6LV6GASN/ARegular Locking Fuel Cap
2007VolkswagenTouareg4.2LV8GASN/ARegular Locking Fuel Cap
2006ChevroletChevy1.6LL4GASN/ARegular Locking Fuel Cap
2006HummerH16.6LV8DIESELN/ARegular Locking Fuel Cap
2006Porsche9113.6LH6GASN/ARegular Locking Fuel Cap
2006Porsche9113.8LH6GASN/ARegular Locking Fuel Cap
2006PorscheBoxster2.7LH6GASN/ARegular Locking Fuel Cap
2006PorscheBoxster3.2LH6GASN/ARegular Locking Fuel Cap
2006PorscheCayenne3.2LV6GASN/ARegular Locking Fuel Cap
2006PorscheCayenne4.5LV8GASN/ARegular Locking Fuel Cap
2006PorscheCayman3.4LH6GASN/ARegular Locking Fuel Cap
2006VolkswagenTouareg5.0LV10DIESELN/ARegular Locking Fuel Cap
2006VolkswagenTouareg3.2LV6GASN/ARegular Locking Fuel Cap
2006VolkswagenTouareg4.2LV8GASN/ARegular Locking Fuel Cap
2005ChevroletChevy1.6LL4GASN/ARegular Locking Fuel Cap
2005Porsche9113.6LH6GASN/ARegular Locking Fuel Cap
2005Porsche9113.8LH6GASN/ARegular Locking Fuel Cap
2005PorscheBoxster2.7LH6GASN/ARegular Locking Fuel Cap
2005PorscheBoxster3.2LH6GASN/ARegular Locking Fuel Cap
2005VolkswagenTouareg3.2LV6GASN/ARegular Locking Fuel Cap
2005VolkswagenTouareg4.2LV8GASN/ARegular Locking Fuel Cap
2004ChevroletChevy1.6LL4GASN/ARegular Locking Fuel Cap
2004HummerH16.5LV8DIESELN/ARegular Locking Fuel Cap
2004Porsche9113.6LH6GASN/ARegular Locking Fuel Cap
2004PorscheBoxster2.7LH6GASN/ARegular Locking Fuel Cap
2004PorscheBoxster3.2LH6GASN/ARegular Locking Fuel Cap
2004PorscheCayenne3.2LV6GASN/ARegular Locking Fuel Cap
2004PorscheCayenne4.5LV8GASN/ARegular Locking Fuel Cap
2004VolkswagenTouareg3.2LV6GASN/ARegular Locking Fuel Cap
2004VolkswagenTouareg4.2LV8GASN/ARegular Locking Fuel Cap
2003ChevroletChevy1.6LL4GASN/ARegular Locking Fuel Cap
2003ChevroletChevy Monza1.6LL4GASN/ARegular Locking Fuel Cap
2003ChevroletChevy Pickup1.6LL4GASN/ARegular Locking Fuel Cap
2003HummerH16.5LV8DIESELN/ARegular Locking Fuel Cap
2003Porsche9113.6LH6GASN/ARegular Locking Fuel Cap
2003PorscheBoxster2.7LH6GASN/ARegular Locking Fuel Cap
2003PorscheBoxster3.2LH6GASN/ARegular Locking Fuel Cap
2003PorscheCayenne4.5LV8GASN/ARegular Locking Fuel Cap
2002ChevroletChevy1.4LL4GASN/ARegular Locking Fuel Cap
2002ChevroletChevy1.6LL4GASN/ARegular Locking Fuel Cap
2002ChevroletChevy Pickup1.6LL4GASN/ARegular Locking Fuel Cap
2002HummerH16.5LV8DIESELN/ARegular Locking Fuel Cap
2002Porsche9113.6LH6GASN/ARegular Locking Fuel Cap
2002PorscheBoxster2.7LH6GASN/ARegular Locking Fuel Cap
2002PorscheBoxster3.2LH6GASN/ARegular Locking Fuel Cap
2001ChevroletChevy1.4LL4GASN/ARegular Locking Fuel Cap
2001ChevroletChevy1.6LL4GASN/ARegular Locking Fuel Cap
2001ChevroletChevy Pickup1.6LL4GASN/ARegular Locking Fuel Cap
2001Porsche9113.6LH6GASN/ARegular Locking Fuel Cap
2001PorscheBoxster2.7LH6GASN/ARegular Locking Fuel Cap
2001PorscheBoxster3.2LH6GASN/ARegular Locking Fuel Cap
2000ChevroletChevy1.4LL4GASN/ARegular Locking Fuel Cap
2000ChevroletChevy1.6LL4GASN/ARegular Locking Fuel Cap
2000ChevroletChevy Pickup1.6LL4GASN/ARegular Locking Fuel Cap
2000Porsche9113.4LH6GASN/ARegular Locking Fuel Cap
2000PorscheBoxster2.7LH6GASN/ARegular Locking Fuel Cap
2000PorscheBoxster3.2LH6GASN/ARegular Locking Fuel Cap
2000Saab9-32.3LL4GASN/ARegular Locking Fuel Cap
1999ChevroletChevy1.4LL4GASN/ARegular Locking Fuel Cap
1999ChevroletChevy1.6LL4GASN/ARegular Locking Fuel Cap
1999ChevroletChevy Pickup1.6LL4GASN/ARegular Locking Fuel Cap
1999Porsche9113.4LH6GASN/ARegular Locking Fuel Cap
1999PorscheBoxster2.5LH6GASN/ARegular Locking Fuel Cap
1999Saab9-32.3LL4GASN/ARegular Locking Fuel Cap
1998CadillacCatera3.0LV6GASN/ARegular Locking Fuel Cap
1998ChevroletChevy1.4LL4GASN/ARegular Locking Fuel Cap
1998ChevroletChevy1.6LL4GASN/ARegular Locking Fuel Cap
1998Porsche9113.6LH6GASN/ARegular Locking Fuel Cap
1998PorscheBoxster2.5LH6GASN/ARegular Locking Fuel Cap
1998Saab90002.3LL4GASN/ARegular Locking Fuel Cap
1997CadillacCatera3.0LV6GASN/ARegular Locking Fuel Cap
1997ChevroletChevy1.4LL4GASN/ARegular Locking Fuel Cap
1997ChevroletChevy1.6LL4GASN/ARegular Locking Fuel Cap
1997Porsche9113.6LH6GASN/ARegular Locking Fuel Cap
1997PorscheBoxster2.5LH6GASN/ARegular Locking Fuel Cap
1997Saab90002.3LL4GASN/ARegular Locking Fuel Cap
1997Saab90003.0LV6GASN/ARegular Locking Fuel Cap
1996ChevroletChevy1.4LL4GASN/ARegular Locking Fuel Cap
1996ChevroletChevy1.6LL4GASN/ARegular Locking Fuel Cap
1996Porsche9113.6LH6GASN/ARegular Locking Fuel Cap
1996Saab90002.3LL4GASN/ARegular Locking Fuel Cap
1996Saab90003.0LV6GASN/ARegular Locking Fuel Cap
1995ChevroletChevy1.4LL4GASN/ARegular Locking Fuel Cap
1995MazdaMPV3.0LV6GASN/ARegular Locking Fuel Cap
1995MazdaMX-31.6LL4GASN/ARegular Locking Fuel Cap
1995MazdaMX-31.8LV6GASN/ARegular Locking Fuel Cap
1995Porsche9113.6LH6GASN/ARegular Locking Fuel Cap
1995Porsche9683.0LL4GASN/ARegular Locking Fuel Cap
1995Saab900Hatchback2.0LL4GASN/ARegular Locking Fuel Cap
1995Saab900Hatchback2.3LL4GASN/ARegular Locking Fuel Cap
1995Saab9002.5LV6GASN/ARegular Locking Fuel Cap
1995Saab90002.3LL4GASN/ARegular Locking Fuel Cap
1995Saab90003.0LV6GASN/ARegular Locking Fuel Cap
1994Mazda3231.6LL4GASN/ARegular Locking Fuel Cap
1994MazdaMPV2.6LL4GASN/ARegular Locking Fuel Cap
1994MazdaMPV3.0LV6GASN/ARegular Locking Fuel Cap
1994MazdaMX-31.6LL4GASN/ARegular Locking Fuel Cap
1994MazdaMX-31.8LV6GASN/ARegular Locking Fuel Cap
1994MazdaProtege1.8LL4GASN/ARegular Locking Fuel Cap
1994Porsche9113.6LH6GASN/ARegular Locking Fuel Cap
1994Porsche9683.0LL4GASN/ARegular Locking Fuel Cap
1993Mazda3231.6LL4GASN/ARegular Locking Fuel Cap
1993MazdaMPV2.6LL4GASN/ARegular Locking Fuel Cap
1993MazdaMPV3.0LV6GASN/ARegular Locking Fuel Cap
1993MazdaMX-31.6LL4GASN/ARegular Locking Fuel Cap
1993MazdaMX-31.8LV6GASN/ARegular Locking Fuel Cap
1993MazdaProtege1.8LL4GASN/ARegular Locking Fuel Cap
1993Porsche9113.6LH6GASN/ARegular Locking Fuel Cap
1993Porsche9683.0LL4GASN/ARegular Locking Fuel Cap
1992Mazda3231.6LL4GASN/ARegular Locking Fuel Cap
1992Mazda6262.2LL4GASN/ARegular Locking Fuel Cap
1992MazdaMPV2.6LL4GASN/ARegular Locking Fuel Cap
1992MazdaMPV3.0LV6GASN/ARegular Locking Fuel Cap
1992MazdaMX-31.6LL4GASN/ARegular Locking Fuel Cap
1992MazdaMX-31.8LV6GASN/ARegular Locking Fuel Cap
1992MazdaMX-62.2LL4GASN/ARegular Locking Fuel Cap
1992MazdaProtege1.8LL4GASN/ARegular Locking Fuel Cap
1992Porsche9113.3LH6GASN/ARegular Locking Fuel Cap
1992Porsche9113.6LH6GASN/ARegular Locking Fuel Cap
1992Porsche9683.0LL4GASN/ARegular Locking Fuel Cap
1991Mazda3231.6LL4GASN/ARegular Locking Fuel Cap
1991Mazda6262.2LL4GASN/ARegular Locking Fuel Cap
1991Mazda9293.0LV6GASN/ARegular Locking Fuel Cap
1991MazdaMPV2.6LL4GASN/ARegular Locking Fuel Cap
1991MazdaMPV3.0LV6GASN/ARegular Locking Fuel Cap
1991MazdaMX-62.2LL4GASN/ARegular Locking Fuel Cap
1991MazdaProtegeFWD1.8LL4GASN/ARegular Locking Fuel Cap
1991Porsche9113.3LH6GASN/ARegular Locking Fuel Cap
1991Porsche9113.6LH6GASN/ARegular Locking Fuel Cap
1991Porsche9443.0LL4GASN/ARegular Locking Fuel Cap
1990Mazda3231.6LL4GASN/ARegular Locking Fuel Cap
1990Mazda6262.2LL4GASN/ARegular Locking Fuel Cap
1990Mazda9293.0LV6GASN/ARegular Locking Fuel Cap
1990MazdaMPV2.6LL4GASN/ARegular Locking Fuel Cap
1990MazdaMPV3.0LV6GASN/ARegular Locking Fuel Cap
1990MazdaMX-62.2LL4GASN/ARegular Locking Fuel Cap
1990MazdaProtegeFWD1.8LL4GASN/ARegular Locking Fuel Cap
1990Porsche9113.6LH6GASN/ARegular Locking Fuel Cap
1990Porsche9443.0LL4GASN/ARegular Locking Fuel Cap
1989Mazda323FWD1.6LL4GASN/ARegular Locking Fuel Cap
1989Mazda6262.2LL4GASN/ARegular Locking Fuel Cap
1989Mazda9293.0LV6GASN/ARegular Locking Fuel Cap
1989MazdaB22002.2LL4GASN/ARegular Locking Fuel Cap
1989MazdaMPV2.6LL4GASN/ARegular Locking Fuel Cap
1989MazdaMPV3.0LV6GASN/ARegular Locking Fuel Cap
1989MazdaMX-62.2LL4GASN/ARegular Locking Fuel Cap
1989Porsche9113.2LH6GASN/ARegular Locking Fuel Cap
1989Porsche9113.3LH6GASN/ARegular Locking Fuel Cap
1989Porsche9113.6LH6GASN/ARegular Locking Fuel Cap
1989Porsche9442.5LL4GASN/ARegular Locking Fuel Cap
1989Porsche9442.7LL4GASN/ARegular Locking Fuel Cap
1989Porsche9443.0LL4GASN/ARegular Locking Fuel Cap
1988Mazda323FWD1.6LL4GASN/ARegular Locking Fuel Cap
1988Mazda6262.2LL4GASN/ARegular Locking Fuel Cap
1988Mazda9293.0LV6GASN/ARegular Locking Fuel Cap
1988MazdaB22002.2LL4GASN/ARegular Locking Fuel Cap
1988MazdaB2600RWD2.6LL4GASN/ARegular Locking Fuel Cap
1988MazdaMX-62.2LL4GASN/ARegular Locking Fuel Cap
1988Porsche9113.2LH6GASN/ARegular Locking Fuel Cap
1988Porsche9113.3LH6GASN/ARegular Locking Fuel Cap
1988Porsche9242.5LL4GASN/ARegular Locking Fuel Cap
1988Porsche9442.5LL4GASN/ARegular Locking Fuel Cap
1987Mazda3231.6LL4GASN/ARegular Locking Fuel Cap
1987Mazda6262.0LL4GASN/ARegular Locking Fuel Cap
1987MazdaB20002.0LL4GASN/ARegular Locking Fuel Cap
1987MazdaB22002.2LL4GASN/ARegular Locking Fuel Cap
1987MazdaB2600RWD2.6LL4GASN/ARegular Locking Fuel Cap
1987Porsche9113.2LH6GASN/ARegular Locking Fuel Cap
1987Porsche9113.3LH6GASN/ARegular Locking Fuel Cap
1987Porsche9242.5LL4GASN/ARegular Locking Fuel Cap
1987Porsche9285.0LV8GASN/ARegular Locking Fuel Cap
1987Porsche9442.5LL4GASN/ARegular Locking Fuel Cap
1986Mazda3231.6LL4GASN/ARegular Locking Fuel Cap
1986Mazda6262.0LL4GASN/ARegular Locking Fuel Cap
1986MazdaB20002.0LL4GASN/ARegular Locking Fuel Cap
1986Porsche9113.2LH6GASN/ARegular Locking Fuel Cap
1986Porsche9113.3LH6GASN/ARegular Locking Fuel Cap
1986Porsche9442.5LL4GASN/ARegular Locking Fuel Cap
1985Porsche9113.2LH6GASN/ARegular Locking Fuel Cap
1985Porsche9442.5LL4GASN/ARegular Locking Fuel Cap
1984Porsche9113.2LH6GASN/ARegular Locking Fuel Cap
1983Porsche9113.0LH6GASN/ARegular Locking Fuel Cap
1982Porsche9113.0LH6GASN/ARegular Locking Fuel Cap
1981Porsche9113.0LH6GASN/ARegular Locking Fuel Cap
1980Porsche9113.0LH6GASN/ARegular Locking Fuel Cap
1979Porsche9113.0LH6GASN/ARegular Locking Fuel Cap
1978Porsche9113.0LH6GASN/ARegular Locking Fuel Cap
1977Porsche9112.7LH6GASN/ARegular Locking Fuel Cap
1976Porsche9112.7LH6GASN/ARegular Locking Fuel Cap
1975Porsche9112.7LH6GASN/ARegular Locking Fuel Cap
1974Porsche9112.7LH6GASN/ARegular Locking Fuel Cap
1971Porsche9112.2LH6GASN/ARegular Locking 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:

105961159612F25L3170332635057463585796703-161191120190600944 201 061 0944 201 061 01EG-855EG-796L95-2230MGC-796

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