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
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JOKER MACHINE Gas Cap - Techno - Black - Harley-Davidson 10-443B
JOKER MACHINE
$84.95Stock gas caps are functional but forgettable—this Joker Machine design gives your fuel door the precision engineering and visual impact it deserves. CNC-machined from billet aluminum, it's built to last while offering superior grip and the ability to...07030354- SKU:
- 07030354
- Availability:
- Ships Same Business Day
- Weight:
- 0.33 LBS
$84.95Qty in Cart: 0Quantity:Price:$84.95Subtotal: -
RICKRAK Gas Kap Keeper GKK
RICKRAK
$14.95Dropped gas caps cost you time, money, and frustration—especially at the track or during extended work sessions. The RICKRAK Gas Kap Keeper secures your fuel cap magnetically to any steel surface on your vehicle, eliminating the risk of lost caps,...07030897- SKU:
- 07030897
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$14.95 -
PERFORMANCE MACHINE (PM) Gas Cap - Apex - Contrast Cut 0210-2071APX-BM
PERFORMANCE MACHINE (PM)
$87.95A quality fuel cap isn't just a functional necessity—it's a critical component that prevents fuel sloshing, maintains system pressure, and protects your engine from contamination during high-performance driving. The PM Apex delivers precision engineering...07030903- SKU:
- 07030903
- Availability:
- Ships Same Business Day
- Weight:
- 0.61 LBS
$87.95 -
PERFORMANCE MACHINE (PM) Gas Cap - Apex - Chrome 0210-2071APX-CH
PERFORMANCE MACHINE (PM)
$87.95A fuel cap might seem like a minor component, but a quality design prevents fuel sloshing, vapor loss, and contamination—all of which directly impact engine performance and fuel economy. The PM Apex Gas Cap delivers precision engineering where it...07030904- SKU:
- 07030904
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
$87.95 -
PERFORMANCE MACHINE (PM) Gas Cap - Apex - Black Ops 0210-2071APX-SMB
PERFORMANCE MACHINE (PM)
$87.95A quality fuel cap is often overlooked, but it's critical for maintaining fuel system integrity and preventing vapor leaks that can trigger check engine lights. The PM Gas Cap - Apex delivers precision engineering and reliability through aircraft-grade...07030905- SKU:
- 07030905
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
$87.95Qty in Cart: 0Quantity:Price:$87.95Subtotal: -
PRO-ONE PERF.MFG. Smooth Fuel Door - Chrome 908310
PRO-ONE PERF.MFG.
$120.95A fuel door is often overlooked, but it's one of the first details that define your vehicle's aesthetic and build quality. The PRO-ONE PERF.MFG. Smooth Fuel Door replaces cheap stamped steel with precision-machined billet aluminum, delivering a polished,...07030423- SKU:
- 07030423
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- UNITS:
- EACH
- BASE FINISH:
- CHROME
- MATERIAL:
- BILLET ALUMINUM
- STYLE:
- SMOOTH
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- FUEL DOOR
- RIDING STYLE:
- STREET
$120.95 -
JOKER MACHINE Knurled Gas Cap - Chrome 10-444C
JOKER MACHINE
$91.95A gas cap might seem like a minor component, but a quality one makes a real difference in daily usability and engine bay aesthetics. The JOKER MACHINE Knurled Gas Cap replaces your stock smooth-sided cap with a precision-engineered piece that's genuinely...07030645- SKU:
- 07030645
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BASE COLOR:
- SILVER
- MOUNTING STYLE:
- RIGHT-HAND THREAD
- OVERALL THICKNESS METRIC:
- 12.7 MM
- STYLE:
- KNURLED
- MATERIAL:
- CNC BILLET ALUMINUM
- MODEL:
- KNURLED SERIES
- OUTSIDE DIAMETER IMPERIAL:
- 3'
- TYPE:
- VENTED
- BASE FINISH:
- CHROME
- COLOR/FINISH:
- CHROME
- OUTSIDE DIAMETER METRIC:
- 76.2 MM
- OVERALL THICKNESS IMPERIAL:
- 1/2'
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- FUEL CAP
$91.95 -
JOKER MACHINE Knurled Gas Cap - Black 10-444B
JOKER MACHINE
$84.95A gas cap might seem like a minor component, but a poorly designed one creates frustration every time you refuel—especially when you're wearing gloves or working in tight spaces. The JOKER MACHINE Knurled Gas Cap replaces that smooth, slippery stock...07030646- SKU:
- 07030646
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BASE COLOR:
- BLACK
- MOUNTING STYLE:
- RIGHT-HAND THREAD
- OVERALL THICKNESS METRIC:
- 12.7 MM
- STYLE:
- KNURLED
- UNITS:
- EACH
- BASE FINISH:
- ANODIZED
- COLOR/FINISH:
- BLACK
- MATERIAL:
- CNC BILLET ALUMINUM
- MODEL:
- KNURLED SERIES
- OUTSIDE DIAMETER IMPERIAL:
- 3'
- TYPE:
- VENTED
- PRODUCT NAME:
- FUEL CAP
- OUTSIDE DIAMETER METRIC:
- 76.2 MM
- OVERALL THICKNESS IMPERIAL:
- 1/2'
- RIDING STYLE:
- STREET
$84.95 -
DRAG SPECIALTIES Twist-on Gas Cap with Vent 71170
DRAG SPECIALTIES
$27.51A quality gas cap does more than seal your tank—it maintains proper fuel system pressure, prevents vapor leaks, and protects against contamination. The DRAG Specialties Twist-on Gas Cap delivers reliable performance with a durable die-cast construction...DS390118- SKU:
- DS390118
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- MATERIAL:
- ABS PLASTIC
- PRODUCT NAME:
- FUEL CAP
- MOUNTING STYLE:
- RIGHT-HAND THREAD
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- BASE FINISH:
- CHROME
- TYPE:
- VENTED
$27.51 -
DRAG SPECIALTIES Twist-on Gas Cap without Vent 71171
DRAG SPECIALTIES
$29.63A quality gas cap is more than an afterthought—it's a critical seal that protects your fuel system from contamination and maintains proper tank pressure. The DRAG Specialties Twist-on Gas Cap delivers reliable performance with a time-proven design,...DS390119- SKU:
- DS390119
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- RIDING STYLE:
- STREET
- BASE FINISH:
- CHROME
- MOUNTING STYLE:
- LEFT-HAND THREAD
- UNITS:
- EACH
- MATERIAL:
- ABS PLASTIC
- PRODUCT NAME:
- FUEL CAP
- TYPE:
- NON-VENTED
- COLOR/FINISH:
- CHROME
$29.63 -
DRAG SPECIALTIES Non-Vented Live To Ride Gas Cap - Chrome with Gold 72646
DRAG SPECIALTIES
$48.71A quality gas cap isn't just a finishing touch—it's essential hardware that prevents fuel system contamination and maintains proper pressure in your tank. The DRAG Specialties Non-Vented Live To Ride Gas Cap combines chrome durability with bold aesthetic...DS390148- SKU:
- DS390148
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- COLOR/FINISH:
- GOLD
- TYPE:
- NON-VENTED
- BASE COLOR:
- GOLD
- MOUNTING STYLE:
- LEFT-HAND THREAD
- OUTSIDE DIAMETER METRIC:
- 76.2 MM
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- LIVE TO RIDE
- OUTSIDE DIAMETER IMPERIAL:
- 3'
- PRODUCT NAME:
- FUEL CAP
$48.71Qty in Cart: 0Quantity:Price:$48.71Subtotal: -
DRAG SPECIALTIES Gas Door Latch - Black 77388B
DRAG SPECIALTIES
$43.41A worn or broken fuel door latch compromises both security and aesthetics—leaving your gas door vulnerable to rattling or sagging during hard acceleration or cornering. The DRAG Specialties Gas Door Latch restores OEM functionality with a direct bolt-on...07030632- SKU:
- 07030632
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- PRODUCT NAME:
- LATCH
- TYPE:
- FUEL DOOR
- COLOR/FINISH:
- GLOSS BLACK
- BASE FINISH:
- GLOSS
- STYLE:
- PUSH-BUTTON
- UNITS:
- EACH
- BASE COLOR:
- BLACK
- RIDING STYLE:
- STREET
$43.41Qty in Cart: 0Quantity:Price:$43.41Subtotal: -
DRAG SPECIALTIES Vented Split Skull Gas Cap - Chrome 78048
DRAG SPECIALTIES
$61.43A quality gas cap is essential for maintaining proper fuel system pressure and preventing fuel vapor leakage—especially critical in high-performance and racing applications where every detail matters. The Drag Specialties Vented Split Skull design...07030785- SKU:
- 07030785
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BASE FINISH:
- CHROME
- MATERIAL:
- DIE-CAST
- TYPE:
- VENTED
- PRODUCT NAME:
- FUEL CAP
- UNITS:
- EACH
- MODEL:
- SPLIT SKULL
- COLOR/FINISH:
- CHROME
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- STYLE:
- SKULL
$61.43Qty in Cart: 0Quantity:Price:$61.43Subtotal: -
DRAG SPECIALTIES Vented Split Skull Gas Cap - Black 78048B
DRAG SPECIALTIES
$61.43A quality gas cap isn't just a detail—it's essential for fuel system integrity and preventing vapor loss during high-performance driving. The Drag Specialties Vented Split Skull design combines functional venting with a bold aesthetic that complements...07030786- SKU:
- 07030786
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MATERIAL:
- ALUMINUM
- MODEL:
- SPLIT SKULL
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- FUEL CAP
- STYLE:
- SKULL
- BASE COLOR:
- BLACK
- TYPE:
- VENTED
- COLOR/FINISH:
- BLACK
- MATERIAL:
- DIE-CAST
- UNITS:
- EACH
$61.43 -
DRAG SPECIALTIES Non-Vented Split Skull Gas Cap - Chrome 78049
DRAG SPECIALTIES
$61.43A quality fuel cap isn't just a functional necessity—it's a critical component that prevents fuel sloshing, maintains tank integrity, and completes your bike's aesthetic. The DRAG Specialties Non-Vented Split Skull Gas Cap delivers both reliable...07030787- SKU:
- 07030787
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BASE FINISH:
- CHROME
- MODEL:
- SPLIT SKULL
- RIDING STYLE:
- STREET
- TYPE:
- NON-VENTED
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- FUEL CAP
- UNITS:
- EACH
- MATERIAL:
- DIE-CAST
- MATERIAL:
- ALUMINUM
- STYLE:
- SKULL
$61.43 -
DRAG SPECIALTIES Non-Vented Split Skull Gas Cap - Black 78049B
DRAG SPECIALTIES
$61.43A quality fuel cap might seem like a small detail, but it's critical to maintaining fuel system integrity and preventing debris contamination in your tank. This Drag Specialties Non-Vented Split Skull Gas Cap combines classic custom aesthetics with...07030788- SKU:
- 07030788
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- DIE-CAST
- STYLE:
- SKULL
- BASE COLOR:
- BLACK
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MODEL:
- SPLIT SKULL
- PRODUCT NAME:
- FUEL CAP
- TYPE:
- NON-VENTED
$61.43 -
DRAG SPECIALTIES Dummy Split Skull Gas Cap - Chrome 78050
DRAG SPECIALTIES
$61.43A quality gas cap isn't just a functional necessity—it's a detail that defines your bike's aesthetic and prevents fuel system issues. The DRAG Specialties Dummy Split Skull Gas Cap combines classic chrome styling with die-cast durability, giving your...07030789- SKU:
- 07030789
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- COLOR/FINISH:
- CHROME
- STYLE:
- SKULL
- TYPE:
- DUMMY
- MATERIAL:
- ALUMINUM
- MODEL:
- SPLIT SKULL
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- FUEL CAP
- BASE FINISH:
- CHROME
- MATERIAL:
- DIE-CAST
- UNITS:
- EACH
$61.43 -
DRAG SPECIALTIES Dummy Split Skull Gas Cap - Black 78050B
DRAG SPECIALTIES
$61.43A quality fuel cap does more than seal your tank—it protects your fuel system from contamination and prevents costly leaks during high-performance driving. The DRAG Specialties Dummy Split Skull Gas Cap combines classic aesthetic appeal with functional...07030790- SKU:
- 07030790
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- PRODUCT NAME:
- FUEL CAP
- TYPE:
- DUMMY
- UNITS:
- EACH
- MODEL:
- SPLIT SKULL
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLACK
- MATERIAL:
- ALUMINUM
- STYLE:
- SKULL
- COLOR/FINISH:
- BLACK
- MATERIAL:
- DIE-CAST
$61.43 -
DRAG SPECIALTIES Split Skull Fuel Door - Chrome with Black 78051
DRAG SPECIALTIES
$49.77A fuel door serves as both a functional component and a visual statement on your motorcycle. The DRAG Specialties Split Skull Fuel Door elevates your bike's aesthetic with distinctive skull imagery while maintaining the reliability you need for...07030791- SKU:
- 07030791
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- COLOR/FINISH:
- CHROME
- STYLE:
- SKULL
- BASE FINISH:
- CHROME
- MODEL:
- SPLIT SKULL
- RIDING STYLE:
- STREET
- TYPE:
- FUEL DOOR
- MATERIAL:
- DIE-CAST
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
$49.77 -
DRAG SPECIALTIES Split Skull Fuel Door - Black with Chrome 78051B
DRAG SPECIALTIES
$43.41Upgrade your fuel door with a custom piece that delivers both aesthetic refinement and functional durability. The DRAG Specialties Split Skull design commands attention while the die-cast construction withstands the demands of daily driving and track use...07030792- SKU:
- 07030792
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- STYLE:
- SKULL
- MODEL:
- SPLIT SKULL
- RIDING STYLE:
- STREET
- TYPE:
- FUEL DOOR
- BASE COLOR:
- BLACK
- BASE COLOR:
- SILVER
- COLOR/FINISH:
- BLACK
- MATERIAL:
- DIE-CAST
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
$43.41
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.
