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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Allstar Performance End Caps Captured 3/16in 10pk ALL48036
ALLSTAR PERFORMANCE
$13.59End Caps Captured 3/16in 10pkCompression End Cap3/16 in IDBrassNatural3/16 in Compression FittingsSet of 10ALL48036- SKU:
- ALL48036
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MFG Part #:
- ALL48036
$13.59 -
Allstar Performance 18mm x 1.50 Oxygen Sensor Plug Steel Zinc Oxide ALL34150
ALLSTAR PERFORMANCE
$8.79The Allstar Performance 18mm O2 Sensor Plug is engineered to effectively seal oxygen sensor bungs, preventing exhaust leaks and ensuring optimal engine performance. Constructed from durable steel with a zinc oxide finish, this plug offers long-lasting...ALL34150- SKU:
- ALL34150
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- MFG Part #:
- ALL34150
$8.79 -
Aeroquip #4 An Cap Aluminum FCM3752
AEROQUIP
$5.29#4 An Cap Aluminum FittingCap4 ANAluminumBlue AnodizedPairAERFCM3752- SKU:
- AERFCM3752
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- FCM3752
$5.29Qty in Cart: 0Quantity:Price:$5.29Subtotal: -
Aeroquip #3 An Cap Aluminum FCM3751
AEROQUIP
$15.99#3 An Cap Aluminum FittingCap3 ANAluminumBlue AnodizedPairAERFCM3751- SKU:
- AERFCM3751
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- FCM3751
$15.99 -
Aeroquip 3/4in Pipe Plug FCM3750
AEROQUIP
$17.993/4in Pipe Plug - FCM3750 Durable aluminum construction for long-lasting performance Features a 3/4 in NPT fitting for versatile applications Allen head design allows for easy installation and removal Blue anodized finish adds corrosion resistance and...AERFCM3750- SKU:
- AERFCM3750
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- FCM3750
$17.99 -
Aeroquip 1/2in Pipe Plug FCM3749
AEROQUIP
$5.491/2in Pipe Plug FCM3749 High-quality aluminum construction for durability Designed for 1/2 inch NPT connections Features an easy-to-use Allen head for secure installation Blue anodized finish for enhanced corrosion resistance Ideal for various plumbing...AERFCM3749- SKU:
- AERFCM3749
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- FCM3749
$5.49 -
Aeroquip #16 An Cap Aluminum FCM3744
AEROQUIP
$21.99#16 An Cap Aluminum FittingCap16 ANAluminumBlue AnodizedEachAERFCM3744- SKU:
- AERFCM3744
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- MFG Part #:
- FCM3744
$21.99 -
Aeroquip #12 An Cap Aluminum FCM3743
AEROQUIP
$18.99#12 An Cap Aluminum FittingCap12 ANAluminumBlue AnodizedEachAERFCM3743- SKU:
- AERFCM3743
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MFG Part #:
- FCM3743
$18.99 -
Aeroquip #10 An Cap Aluminum FCM3742
AEROQUIP
$15.49#10 An Cap Aluminum FittingCap10 ANAluminumBlue AnodizedEachAERFCM3742- SKU:
- AERFCM3742
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- MFG Part #:
- FCM3742
$15.49 -
Aeroquip #8 An Cap Aluminum FCM3741
AEROQUIP
$7.29#8 An Cap Aluminum FittingCap8 ANAluminumBlue AnodizedEachAERFCM3741- SKU:
- AERFCM3741
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- FCM3741
$7.29 -
Aeroquip #6 An Cap Aluminum FCM3740
AEROQUIP
$5.59#6 An Cap Aluminum FittingCap6 ANAluminumBlue AnodizedEachAERFCM3740- SKU:
- AERFCM3740
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- FCM3740
$5.59 -
Aeroquip #10 O-Ring Boss Plug FCM3726
AEROQUIP
$11.99#10 O-Ring Boss Plug FittingPlug10 ANO-RingHex HeadAluminumBlue AnodizedEachAERFCM3726- SKU:
- AERFCM3726
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- MFG Part #:
- FCM3726
$11.99 -
Aeroquip #8 O-Ring Boss Plug FCM3725
AEROQUIP
$16.99#8 O-Ring Boss Plug FCM3725 High-quality aluminum construction for durability Designed for 8 AN fittings, ensuring a perfect fit Features a reliable O-ring seal to prevent leaks Hex head design allows for easy installation and removal Stylish blue...AERFCM3725- SKU:
- AERFCM3725
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- FCM3725
$16.99 -
Aeroquip #6 O-Ring Boss Plug FCM3724
AEROQUIP
$13.99#6 O-Ring Boss Plug FCM3724 Precision-engineered fitting for reliable performance Durable plug designed for optimal sealing Compatible with 6 AN applications Features a robust O-ring for leak prevention Hex head design allows for easy installation and...AERFCM3724- SKU:
- AERFCM3724
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- FCM3724
$13.99 -
Aeroquip #4 O-Ring Boss Plug FCM3723
AEROQUIP
$9.19#4 O-Ring Boss Plug FittingPlug4 ANO-RingHex HeadAluminumBlue AnodizedEachAERFCM3723- SKU:
- AERFCM3723
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- FCM3723
$9.19 -
Aeroquip #3 O-Ring Boss Plug FCM3722
AEROQUIP
$23.99#3 O-Ring Boss Plug FittingPlug3 ANO-RingHex HeadAluminumBlue AnodizedEachAERFCM3722- SKU:
- AERFCM3722
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- FCM3722
$23.99 -
Aeroquip #16 Alm Flare Plug FCM3718
AEROQUIP
$17.99#16 Alm Flare Plug FittingPlug16 ANHex HeadAluminumBlue AnodizedEachAERFCM3718- SKU:
- AERFCM3718
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- MFG Part #:
- FCM3718
$17.99 -
Aeroquip #12 Alm Flare Plug FCM3717
AEROQUIP
$18.49#12 Alm Flare Plug FittingPlug12 ANHex HeadAluminumBlue AnodizedEachAERFCM3717- SKU:
- AERFCM3717
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- MFG Part #:
- FCM3717
$18.49 -
Aeroquip #10 Alm Flare Plug FCM3716
AEROQUIP
$12.49#10 Alm Flare Plug FittingPlug10 ANHex HeadAluminumBlue AnodizedEachAERFCM3716- SKU:
- AERFCM3716
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- MFG Part #:
- FCM3716
$12.49 -
Aeroquip #8 Alm Flare Plug FCM3715
AEROQUIP
$5.99#8 Alm Flare Plug FittingPlug8 ANHex HeadAluminumBlue AnodizedEachAERFCM3715- SKU:
- AERFCM3715
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- FCM3715
$5.99
