Cap and Plug Fittings
Circle Track Cap and Plug Fittings at JJ Motorsports
Cap and plug fittings are essential when sealing lines or unused ports to prevent leaks and maintain pressure. These durable plugs safeguard your fluid systems during storage or between races. Integrate them with other high-quality fluid line components for a dependable racing setup.
Shop trusted brands like Allstar Performance for plastic kits and Fragola for high-flow options. Explore related categories such as Circle Track Fittings and Plugs for complete fluid system solutions or Circle Track Hoses for matching lines.
Top Circle Track Cap and Plug Fittings
- Rear End Quick Change Fitting for Filler Tank – Aluminum, Black – Upgrade your quick change rear end setup with this fitting, designed for seamless connection to a filler tank. Made from lightweight aluminum and anodized in black, this fitting replaces the side bell inspection plug.
- Allstar Performance Plastic Plug Kit ALL50810 – AN Dust Plug 3 AN-16 AN Plastic Red Kit.
- Allstar Performance Plastic Cap Kit ALL50800 – AN Dust Cap 3 AN-16 AN Plastic Red Kit.
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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#6 Cap HF-51006BLK
TRIPLE X RACE COMPONENTS
$4.09FittingCap6 ANAluminumBlack AnodizedEachTXRHF-51006-BLK- SKU:
- TXRHF-51006-BLK
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- HF-51006BLK
$4.09Qty in Cart: 0Quantity:Price:$4.09Subtotal: -
#4 Cap HF-51004BLK
TRIPLE X RACE COMPONENTS
$4.09FittingCap4 ANAluminumBlack AnodizedEachTXRHF-51004-BLK- SKU:
- TXRHF-51004-BLK
- Availability:
- Ships Same Business Day
- Weight:
- 0.27 LBS
- MFG Part #:
- HF-51004BLK
$4.09Qty in Cart: 0Quantity:Price:$4.09Subtotal: -
#3 Cap HF-51003BLK
TRIPLE X RACE COMPONENTS
$4.09FittingCap3 ANAluminumBlack AnodizedEachTXRHF-51003-BLK- SKU:
- TXRHF-51003-BLK
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- HF-51003BLK
$4.09Qty in Cart: 0Quantity:Price:$4.09Subtotal: -
1/4 NPT Pipe Plug Allen Socket Black 662043
RUSSELL
$6.95FittingPlug1/4 in NPTAllen HeadAluminumBlack AnodizedPairRUS662043- SKU:
- RUS662043
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- 662043
$6.95 -
Fragola 1/2 MPT Hex Pipe Plug 493304
FRAGOLA
$5.991/2 MPT Hex Pipe PlugFittingPlug1/2 in NPTHex HeadAluminumBlue AnodizedEachFRG493304- SKU:
- FRG493304
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- MFG Part #:
- 493304
$5.99Qty in Cart: 0Quantity:Price:$5.99Subtotal: -
Fragola #4 Flare Cap 492904
FRAGOLA
$3.49#4 Flare Cap FittingCap4 ANAluminumBlue AnodizedEachFRG492904- SKU:
- FRG492904
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- 492904
$3.49 -
Fragola #3 Flare Cap 492903
FRAGOLA
$3.99#3 Flare Cap FittingCap3 ANAluminumBlue AnodizedEachFRG492903- SKU:
- FRG492903
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MFG Part #:
- 492903
$3.99 -
Aeroquip #12 O-Ring Boss Plug FCM3727
AEROQUIP
$19.99#12 O-Ring Boss Plug FittingPlug12 ANO-RingHex HeadAluminumBlue AnodizedEachAERFCM3727- SKU:
- AERFCM3727
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- MFG Part #:
- FCM3727
$19.99Qty in Cart: 0Quantity:Price:$19.99Subtotal: -
Aeroquip #3 Alm Flare Plug FCM3712
AEROQUIP
$5.29#3 Alm Flare Plug FittingPlug3 ANHex HeadAluminumBlue AnodizedEachAERFCM3712- SKU:
- AERFCM3712
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- FCM3712
$5.29 -
Aeroquip #4 Steel Flare Plug FCM3702
AEROQUIP
$5.99#4 Steel Flare Plug FittingPlug4 ANHex HeadSteelZinc OxideEachAERFCM3702- SKU:
- AERFCM3702
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- FCM3702
$5.99Qty in Cart: 0Quantity:Price:$5.99Subtotal: -
Aeroquip #3 Steel Flare Plug FCM3701
AEROQUIP
$14.99#3 Steel Flare Plug FittingPlug3 ANHex HeadSteelZinc OxideEachAERFCM3701- SKU:
- AERFCM3701
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- FCM3701
$14.99Qty in Cart: 0Quantity:Price:$14.99Subtotal: -
Aeroquip #3 Steel Cap FCM3479
AEROQUIP
$18.49#3 Steel Cap FittingCap3 ANSteelZinc OxideSet of 6AERFCM3479- SKU:
- AERFCM3479
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- FCM3479
$18.49Qty in Cart: 0Quantity:Price:$18.49Subtotal: -
Aeroquip `-16 Aluminum Dust Plug 10pk FBM3660
AEROQUIP
$11.99-16 Aluminum Dust Plug 10pkFittingPlug16 ANKnurled HeadAluminumNaturalSet of 10AERFBM3660- SKU:
- AERFBM3660
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MFG Part #:
- FBM3660
$11.99Qty in Cart: 0Quantity:Price:$11.99Subtotal: -
Aeroquip `-12 Aluminum Dust Plug 10pk FBM3659
AEROQUIP
$9.99-12 Aluminum Dust Plug 10pkFittingPlug12 ANKnurled HeadAluminumNaturalSet of 10AERFBM3659- SKU:
- AERFBM3659
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- MFG Part #:
- FBM3659
$9.99Qty in Cart: 0Quantity:Price:$9.99Subtotal: -
Aeroquip `-6 Aluminum Dust Plug 20pk FBM3656
AEROQUIP
$8.99-6 Aluminum Dust Plug 20pkFittingPlug6 ANKnurled HeadAluminumNaturalSet of 20AERFBM3656- SKU:
- AERFBM3656
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- FBM3656
$8.99 -
Aeroquip `-4 Aluminum Dust Plug 20pk FBM3655
AEROQUIP
$13.49-4 Aluminum Dust Plug 20pkFittingPlug4 ANKnurled HeadAluminumNaturalSet of 20AERFBM3655- SKU:
- AERFBM3655
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- FBM3655
$13.49 -
Aeroquip `-16 Aluminum Dust Cap 10pk FBM3653
AEROQUIP
$7.99-16 Aluminum Dust Cap 10pkFittingCap16 ANAluminumNaturalSet of 10AERFBM3653- SKU:
- AERFBM3653
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- FBM3653
$7.99Qty in Cart: 0Quantity:Price:$7.99Subtotal: -
#8 O-Ring Boss Plug A1P81408
A-1 PRODUCTS
$6.35#8 O-Ring Boss Plug A1P81408 High-quality fitting for secure connections Designed as a plug for effective sealing Compatible with 8 AN applications Features a reliable O-ring for leak prevention Hex head design for easy installation Constructed from...AAA81408- SKU:
- AAA81408
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- A1P81408
$6.35Qty in Cart: 0Quantity:Price:$6.35Subtotal:
