Harley Gas Tank Caps
Harley-Davidson Gas Tank Caps at JJ Motorsports
Upgrade your Harley’s fuel cap with premium Drag Specialties caps from JJ Motorsports, featuring vented/non-vented, locking, and aero designs in chrome or black for perfect fit and classic style on Sportster, Dyna, Softail, and Touring models. These durable caps ensure secure sealing and easy fueling.
Shop Drag Specialties gas tank caps for reliable quality and custom looks. Explore related categories such as Harley air and fuel for valves and tanks, or Harley for seats and luggage to complete your custom build.
Top Harley-Davidson Gas Tank Caps
- Drag Specialties Non-Vented Gas Cap Black 03-0027B – Matte black non-vented cap; clean OEM-style replacement for late-model Harleys.
- Drag Specialties Vented Locking Gas Cap Chrome 03-0320A-A – Chrome vented cap with lock; added security for Touring and Softail tanks.
- Drag Specialties Vented Aero Gas Cap 95mm 011526BX – Low-profile aero vented cap; sleek black finish for custom and bagger builds.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
DRAG SPECIALTIES Skull Gas Caps - Screw-In - Pair 012716
DRAG SPECIALTIES
$121.85Whether you're restoring a classic cruiser or building a custom ride, quality fuel caps are non-negotiable for both security and aesthetics. These Drag Specialties Skull Gas Caps deliver cast aluminum durability with a distinctive design that complements...07030526- SKU:
- 07030526
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
- COLOR/FINISH:
- CHROME
- STYLE:
- SKULL
- UNITS:
- PAIR
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- BASE FINISH:
- CHROME
- COLOR/FINISH:
- BLACK
- MOUNTING STYLE:
- SCREW ON
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- FUEL CAP
- TYPE:
- NON-VENTED
- TYPE:
- VENTED
$121.85 -
DRAG SPECIALTIES Vented Gas Cap - Chrome 03-0026-BC222
DRAG SPECIALTIES
$19.03A properly functioning gas cap is critical for fuel system integrity, preventing vapor leaks and maintaining consistent fuel pressure in your tank. The DRAG SPECIALTIES Vented Gas Cap delivers OEM-quality sealing with a vented design that allows proper...DS390130- SKU:
- DS390130
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- MOUNTING STYLE:
- RIGHT-HAND THREAD
- PRODUCT NAME:
- FUEL CAP
- RIDING STYLE:
- STREET
- STYLE:
- SHOVELHEAD
- STYLE:
- XL
- TYPE:
- VENTED
- UNITS:
- EACH
- BASE FINISH:
- CHROME
- COLOR/FINISH:
- CHROME
- MATERIAL:
- STAMPED STEEL
$19.03 -
DRAG SPECIALTIES Vented Aero Gas Cap - 95mm 011526BX
DRAG SPECIALTIES
$83.69A quality gas cap is essential to maintaining fuel system integrity and preventing leaks or contamination in your tank. This Drag Specialties vented aero cap delivers reliable sealing with a precision fit, ensuring your fuel stays where it belongs while...19141526- SKU:
- 19141526
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- PRODUCT NAME:
- FUEL CAP
- UNITS:
- EACH
- OUTSIDE DIAMETER METRIC:
- 95 MM
- TYPE:
- VENTED
- OUTSIDE DIAMETER IMPERIAL:
- 3-3/4'
- RIDING STYLE:
- STREET
$83.69Qty in Cart: 0Quantity:Price:$83.69Subtotal: -
DRAG SPECIALTIES Right-Hand Thread Vented Gas Cap 012029
DRAG SPECIALTIES
$116.55A quality gas cap is essential for fuel system integrity, preventing fuel vapor loss and protecting your tank from contamination. The DRAG Specialties Right-Hand Thread Vented Gas Cap combines chrome durability with a low-profile design that complements...07030199- SKU:
- 07030199
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- COLOR/FINISH:
- CHROME
- FEATURES:
- PAINT PROTECTOR
- RIDING STYLE:
- STREET
- BASE FINISH:
- CHROME
- TYPE:
- VENTED
- FEATURES:
- INSTALLATION TOOL
- MOUNTING STYLE:
- RIGHT-HAND THREAD
- MOUNTING STYLE:
- SCREW ON
- PRODUCT NAME:
- FUEL CAP
- UNITS:
- EACH
$116.55Qty in Cart: 0Quantity:Price:$116.55Subtotal: -
DRAG SPECIALTIES Left-Hand Thread Non-Vented Gas Cap 012030
DRAG SPECIALTIES
$99.59A quality gas cap might seem like a minor component, but it's critical for maintaining proper fuel system pressure and preventing evaporative emissions leaks—both essential for reliable performance and compliance. The Drag Specialties left-hand thread...07030200- SKU:
- 07030200
- Availability:
- Ships Same Business Day
- Weight:
- 0.33 LBS
- COLOR/FINISH:
- CHROME
- FEATURES:
- PAINT PROTECTOR
- RIDING STYLE:
- STREET
- FEATURES:
- INSTALLATION TOOL
- MOUNTING STYLE:
- LEFT-HAND THREAD
- MOUNTING STYLE:
- SCREW ON
- PRODUCT NAME:
- FUEL CAP
- UNITS:
- EACH
- BASE FINISH:
- CHROME
- TYPE:
- NON-VENTED
$99.59 -
DRAG SPECIALTIES Left Side Dummy Gas Cap 012027
DRAG SPECIALTIES
$64.61A dummy gas cap isn't just cosmetic—it's a practical necessity for bikes with custom or modified fuel systems. This chromed, low-profile design maintains clean aesthetics while protecting exposed fuel ports from dirt, debris, and moisture. The included...07030201- SKU:
- 07030201
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- TYPE:
- DUMMY
- MOUNTING STYLE:
- POP-UP
- PRODUCT NAME:
- FUEL CAP
- UNITS:
- EACH
- BASE FINISH:
- CHROME
- COLOR/FINISH:
- CHROME
- FEATURES:
- STANDARD
- RIDING STYLE:
- STREET
$64.61 -
DRAG SPECIALTIES Screw-In Skull Gas Caps - Pair 012719
DRAG SPECIALTIES
$86.87Custom gas caps aren't just aesthetic upgrades—they're functional components that seal your fuel system while adding distinctive styling to your build. Whether you're restoring an OEM application or customizing a one-off project, these screw-in skull...07030524- SKU:
- 07030524
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
- COLOR/FINISH:
- BLACK
- TYPE:
- VENTED
- UNITS:
- PAIR
- BASE COLOR:
- BLACK
- BASE FINISH:
- CHROME
- COLOR/FINISH:
- CHROME
- MATERIAL:
- ALUMINUM
- MOUNTING STYLE:
- SCREW ON
- RIDING STYLE:
- STREET
- STYLE:
- SKULL
- PRODUCT NAME:
- FUEL CAP
- TYPE:
- NON-VENTED
$86.87 -
DRAG SPECIALTIES Non-Vented Screw-In Skull Gas Cap 012717
DRAG SPECIALTIES
$44.47A quality gas cap isn't just a utility piece—it's a seal that protects your fuel system from contamination and evaporative losses while maintaining tank integrity. The DRAG Specialties Non-Vented Screw-In Skull Gas Cap delivers reliable OEM-level...07030525- SKU:
- 07030525
- Availability:
- Ships Same Business Day
- Weight:
- 0.41 LBS
- BASE FINISH:
- CHROME
- COLOR/FINISH:
- BLACK
- TYPE:
- VENTED
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- FUEL CAP
- STYLE:
- EARLY
- UNITS:
- EACH
- COLOR/FINISH:
- CHROME
- MATERIAL:
- ALUMINUM
- MOUNTING STYLE:
- SCREW ON
- RIDING STYLE:
- STREET
$44.47 -
DRAG SPECIALTIES Replacement Blockoff Plate with Gasket - EFI 012912
DRAG SPECIALTIES
$20.09A damaged or missing blockoff plate compromises both the integrity of your fuel system and its aesthetic appeal. This genuine DRAG SPECIALTIES replacement ensures a proper seal on your Dash Style One Piece Tank, preventing fuel leakage and maintaining...07030735- SKU:
- 07030735
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- BLOCKOFF PLATE
- UNITS:
- EACH
$20.09 -
DRAG SPECIALTIES Vented Gas Cap - Gloss Black 012760
DRAG SPECIALTIES
$17.97A quality gas cap might seem like a minor component, but a poorly functioning one can compromise fuel system integrity, cause vapor leaks, and even trigger check engine lights. The DRAG SPECIALTIES Vented Gas Cap delivers reliable sealing and proper...07030547- SKU:
- 07030547
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- COLOR/FINISH:
- GLOSS BLACK
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- BASE FINISH:
- GLOSS
- MOUNTING STYLE:
- RIGHT-HAND THREAD
- STYLE:
- BIG TWIN
- UNITS:
- EACH
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- FUEL CAP
- STYLE:
- XL
- TYPE:
- VENTED
$17.97Qty in Cart: 0Quantity:Price:$17.97Subtotal: -
DRAG SPECIALTIES Vented Gas Cap - Matte Black 012560
DRAG SPECIALTIES
$17.97A quality gas cap might seem like a minor component, but it's critical for fuel system integrity, especially on custom or high-performance builds where OEM caps don't fit. The DRAG SPECIALTIES Vented Gas Cap delivers reliable fuel containment while...07030549- SKU:
- 07030549
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- TYPE:
- VENTED
- BASE COLOR:
- BLACK
- BASE FINISH:
- MATTE
- COLOR/FINISH:
- MATTE BLACK
- MOUNTING STYLE:
- RIGHT-HAND THREAD
- STYLE:
- XL
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- STYLE:
- BIG TWIN
- PRODUCT NAME:
- FUEL CAP
$17.97Qty in Cart: 0Quantity:Price:$17.97Subtotal: -
DRAG SPECIALTIES Non-Vented Gas Cap - Matte Black 012561
DRAG SPECIALTIES
$12.67A reliable fuel cap is foundational to any build—it maintains proper fuel system pressure, prevents fuel evaporation, and keeps contaminants out of your tank. Whether you're running a street car or a dedicated race vehicle, the DRAG SPECIALTIES...07030550- SKU:
- 07030550
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BASE COLOR:
- BLACK
- BASE FINISH:
- MATTE
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- MATTE BLACK
- PRODUCT NAME:
- FUEL CAP
- STYLE:
- XL
- TYPE:
- NON-VENTED
- MOUNTING STYLE:
- LEFT-HAND THREAD
- STYLE:
- BIG TWIN
- UNITS:
- EACH
$12.67 -
DRAG SPECIALTIES Non-Vented Locking Gas Cap - Chrome 03-0318A-B
DRAG SPECIALTIES
$44.47Fuel theft and tank tampering are genuine concerns for vehicles left unattended at tracks, shops, or storage facilities. A locking gas cap eliminates this vulnerability while keeping your fuel system clean—the swing-away cover design prevents dirt and...07030229- SKU:
- 07030229
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
- BASE FINISH:
- CHROME
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- FEATURES:
- INCLUDES 2 KEYS
- FEATURES:
- LOCKING
- STYLE:
- SCREW CAP
- MOUNTING STYLE:
- STANDARD
- PRODUCT NAME:
- FUEL CAP
- TYPE:
- NON-VENTED
$44.47 -
DRAG SPECIALTIES Vented Pop-Up Gas Cap - Black Wrinkle 03-328B-A
DRAG SPECIALTIES
$65.67A quality fuel door is more than aesthetics—it's about reliability and quick access when every second counts. The DRAG SPECIALTIES Vented Pop-Up Gas Cap delivers a seamless, flush fit that maintains your bike's clean lines while offering the practicality...07030324- SKU:
- 07030324
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- COLOR/FINISH:
- TEXTURED BLACK
- PRODUCT NAME:
- FUEL CAP
- STYLE:
- EARLY
- UNITS:
- EACH
- MATERIAL:
- BILLET ALUMINUM
- OUTSIDE DIAMETER IMPERIAL:
- 2.36'
- OUTSIDE DIAMETER METRIC:
- 59.90 MM
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLACK
- MOUNTING STYLE:
- POP-UP
- TYPE:
- VENTED
$65.67Qty in Cart: 0Quantity:Price:$65.67Subtotal: -
DRAG SPECIALTIES Non-Vented Gas Cap - Chrome 03-0027-BC222
DRAG SPECIALTIES
$20.09A quality gas cap isn't just a detail—it's essential for maintaining fuel system integrity and preventing vapor loss during high-performance driving. The DRAG Specialties Non-Vented Gas Cap delivers reliable sealing with a clean, OEM-style appearance...DS390131- SKU:
- DS390131
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- PRODUCT NAME:
- FUEL CAP
- COLOR/FINISH:
- CHROME
- MATERIAL:
- ALUMINUM
- MOUNTING STYLE:
- LEFT-HAND THREAD
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- BASE FINISH:
- CHROME
- STYLE:
- SHOVELHEAD
- TYPE:
- NON-VENTED
$20.09 -
PRO-ONE PERF.MFG. Ball-Milled Fuel Door - Black 908315B
PRO-ONE PERF.MFG.
$120.95A fuel door might seem like a minor detail, but it's one of the first things you see every time you approach your vehicle—and it's an opportunity to elevate your build with precision-crafted quality. The PRO-ONE PERF.MFG. Ball-Milled Fuel Door combines...07030426- SKU:
- 07030426
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- FUEL DOOR
- COLOR/FINISH:
- BLACK
- MATERIAL:
- BILLET ALUMINUM
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- STYLE:
- BALL-MILLED
$120.95Qty in Cart: 0Quantity:Price:$120.95Subtotal: -
DRAG SPECIALTIES Left Side Gas Cap with LED Light DRAG009
DRAG SPECIALTIES
$128.70Running out of fuel unexpectedly is a risk no rider should take, especially on longer runs or in unfamiliar territory. This left-side gas cap combines practical low-fuel warning capability with a programmable LED light that alerts you before your tank...07030510- SKU:
- 07030510
- Availability:
- Ships Same Business Day
- Weight:
- 0.34 LBS
- COLOR/FINISH:
- CHROME
- MATERIAL:
- BILLET ALUMINUM
- OUTSIDE DIAMETER IMPERIAL:
- 2-3/4'
- OUTSIDE DIAMETER METRIC:
- 69.9 MM
- RIDING STYLE:
- STREET
- BASE COLOR:
- SILVER
- FEATURES:
- WITH LED
- PRODUCT NAME:
- FUEL CAP
- TYPE:
- LEVEL
- BASE FINISH:
- CHROME
- UNITS:
- EACH
$128.70Qty in Cart: 0Quantity:Price:$128.70Subtotal: -
On Sale
ARLEN NESS Bar Gas Cap - Chrome 701-009
ARLEN NESS
MSRP: $74.95Now: $68.20Was: $74.95If you're tired of generic fuel caps that don't match your bike's aesthetic or provide secure sealing, the ARLEN NESS Bar Gas Cap delivers precision engineering with purposeful design. The exclusive ratchet mechanism ensures proper torque alignment every...07030856- SKU:
- 07030856
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MATERIAL:
- CNC BILLET ALUMINUM
- TYPE:
- VENTED
- BASE COLOR:
- SILVER
- STYLE:
- BAR
- PRODUCT NAME:
- FUEL CAP
- BASE FINISH:
- CHROME
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $74.95Now: $68.20Was: $74.95Qty in Cart: 0Quantity:Price:MSRP: $74.95Now: $68.20Was: $74.95Subtotal: -
On Sale
ARLEN NESS 10 Gauge Gas Cap - Orange 701-005
ARLEN NESS
MSRP: $79.95Now: $72.75Was: $79.95A quality fuel cap does more than seal your tank—it's a functional element that should match your bike's precision and aesthetic. The ARLEN NESS 10 Gauge Gas Cap delivers CNC-machined billet construction with an exclusive ratchet design that ensures...07030852- SKU:
- 07030852
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- PRODUCT NAME:
- FUEL CAP
- STYLE:
- 10 GAUGE
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- BASE FINISH:
- ANODIZED
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- CNC BILLET ALUMINUM
- TYPE:
- VENTED
- BASE COLOR:
- ORANGE
MSRP: $79.95Now: $72.75Was: $79.95Qty in Cart: 0Quantity:Price:MSRP: $79.95Now: $72.75Was: $79.95Subtotal: -
PERFORMANCE MACHINE (PM) Apex Fuel Door - Black Ops 0200-2005APXSMB
PERFORMANCE MACHINE (PM)
$93.95A fuel door might seem like a minor detail, but it's one of the most visible components on your vehicle's exterior—and a poorly designed one creates drag while detracting from your aesthetic. The PM Apex Fuel Door replaces flimsy OEM plastic with...07030877- SKU:
- 07030877
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
- MATERIAL:
- BILLET ALUMINUM
- MODEL:
- APEX
- RIDING STYLE:
- STREET
- TYPE:
- FUEL DOOR
- BASE COLOR:
- BLACK
- BASE FINISH:
- MATTE
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
$93.95Qty in Cart: 0Quantity:Price:$93.95Subtotal:
Buying Guide and FAQs
Buying Guide: Factors to Consider When Choosing Harley Bike Gas Tank Caps
- Compatibility: Ensure the cap fits your Harley's tank type (e.g., pre-82 twist-on, late-model thread-in, Softail low-profile chrome exclusions). Use the vehicle selector for model-specific matches, noting vented/non-vented and locking/tethered restrictions to avoid fit issues.
- Type of Use: For security-focused riding, choose locking caps; custom or aesthetic builds benefit from decorative designs (e.g., skull, Live To Ride); standard use suits vented aero or twist-on for reliable fuel management in street conditions.
- Components and Upgrades: Select caps with ratchet mechanisms for torque alignment or dummy caps for decoration; upgrade to fuel doors/latches for dash accents. Focus on seals (Nytrel/cork) and threads (left/right-hand) for leak-free performance.
- Brand and Quality: Opt for Drag Specialties for versatile vented/locking options, Arlen Ness for ratchet billet designs, Covingtons for CNC machined doors, or PRO-ONE for smooth fuel doors. Prioritize die-cast/billet aluminum or stainless steel for durability and corrosion resistance.
- Installation and Cost: Most caps are twist-on or thread-in for easy DIY setup; fuel doors use existing hardware. Prices range from $26.73 for basic twist-on to $203.95 for premium CNC doors—factor in sales (up to 19% off) and free shipping over $99 for value.
Frequently Asked Questions (FAQs)
- What Harley models do these gas tank caps support? Caps support various models, with specifics like pre-82 for twist-on, late-models for thread-in, and exclusions for OEM locking/tethered or Softail low-profile chrome tanks—use the year/make/model filter for exact compatibility.
- Vented vs. non-vented caps: Which is better? Vented allow pressure release for safety; non-vented suit specific setups—choose based on tank design and riding needs.
- What materials ensure durability? Die-cast aluminum, billet aluminum, ABS plastic, or stainless steel provide strength and corrosion resistance, with finishes like chrome, black, or gloss black for style.
- Do these include installation hardware? Fuel doors mount with existing hardware; caps are direct replacements—contact support for any questions.
- What if a cap doesn't fit my Harley? Verify tank outlet, thread type (left/right-hand), and model exclusions before buying. Our returns policy allows exchanges or refunds if it doesn't match.
- Can I find related air and fuel parts? Yes—explore fuel pumps, carbs, or air cleaners in the Harley air and fuel category to complement your gas tank cap upgrade.
