PitStopUSA.com - Cap

Cap and Plug Fittings - Cap

At Pit Stop USA, we have a great selection of Caps for your automotive plumbing needs. From AN and NPT fittings to fuel line and hose fittings, we offer a wide range of products to help you assemble a custom plumbing system for your competition vehicle or keep your classic car period-accurate. Our selection also includes adapters and reducers to make it easy to switch between fittings. With over 25 years of experience, we're proud to offer the most complete line of adapter fittings for aviation fluid transfer technology in the automotive performance market. You can trust us to meet all of your aviation fluid transfer technology needs and experience top-notch performance today!

Plastic, Aluminum and Steel Caps and Plugs are a must for sealing low pressure requirements and for keeping debris out of lines and hoses. PitStopUSA.com has aluminum caps and plugs in all popular sizes designed for 37 flared fittings and straight threaded ports.

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Items 26-50 of 96
Cap and Plug Fittings - Cap - Aeroquip - Aeroquip Steel -16 AN Cap
Aeroquip Steel -16 AN Cap
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Description: Fitting, Cap, 16 AN, Steel, Zinc Oxide, Each
Item #: AERFCM3566
Condition: New
Limited Supply: Only 1 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $38.22
Sale: $12.97
Save: 66%
Save: $25.25
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Cap and Plug Fittings - Cap - Aeroquip - Aeroquip Steel -20 AN Cap
Aeroquip Steel -20 AN Cap
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Description: Fitting, Cap, 20 AN, Steel, Zinc Oxide, Each
Item #: AERFCM3567
Condition: New
Limited Supply: Only 1 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $67.22
Sale: $18.97
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Save: $48.25
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Cap and Plug Fittings - Cap - Allstar Performance - Allstar Performance Cap - 10 AN - Aluminum - Black Anodize
Allstar Performance Cap - 10 AN - Aluminum - Black Anodize
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Description: Fitting, Cap, 10 AN, Aluminum, Black Anodized, Each
Item #: ALL49674
Condition: New
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Orders over $149 ship free. Oversize items are excluded.
Price: $7.99
Sale: $6.99
Save: 13%
Save: $1.00
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Cap and Plug Fittings - Cap - Allstar Performance - Allstar Performance Cap - 12 AN - Aluminum - Black Anodize
Allstar Performance Cap - 12 AN - Aluminum - Black Anodize
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Description: Fitting, Cap, 12 AN, Aluminum, Black Anodized, Each
Item #: ALL49675
Condition: New
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Orders over $149 ship free. Oversize items are excluded.
Price: $8.99
Sale: $8.49
Save: 6%
Save: $0.50
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Cap and Plug Fittings - Cap - Allstar Performance - Allstar Performance Cap - 16 AN - Aluminum - Black Anodize
Allstar Performance Cap - 16 AN - Aluminum - Black Anodize
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Description: Fitting, Cap, 16 AN, Aluminum, Black Anodized, Each
Item #: ALL49676
Condition: New
Limited Supply: Only 0 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $12.99
Sale: $11.99
Save: 8%
Save: $1.00
Cap and Plug Fittings - Cap - Allstar Performance - Allstar Performance Cap - 3 AN - Aluminum - Black Anodize
Allstar Performance Cap - 3 AN - Aluminum - Black Anodize
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Description: Fitting, Cap, 3 AN, Aluminum, Black Anodized, Each
Item #: ALL49670
Condition: New
Limited Supply: Only 8 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $3.99
Sale: $3.79
Save: 5%
Save: $0.20
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Cap and Plug Fittings - Cap - Allstar Performance - Allstar Performance Cap - 4 AN - Aluminum - Black Anodize
Allstar Performance Cap - 4 AN - Aluminum - Black Anodize
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Description: Fitting, Cap, 4 AN, Aluminum, Black Anodized, Each
Item #: ALL49671
Condition: New
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Orders over $149 ship free. Oversize items are excluded.
Price: $3.99
Sale: $3.79
Save: 5%
Save: $0.20
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Cap and Plug Fittings - Cap - Allstar Performance - Allstar Performance Cap - 6 AN - Aluminum - Black Anodize
Allstar Performance Cap - 6 AN - Aluminum - Black Anodize
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Description: Fitting, Cap, 6 AN, Aluminum, Black Anodized, Each
Item #: ALL49672
Condition: New
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $3.99
Sale: $3.79
Save: 5%
Save: $0.20
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Cap and Plug Fittings - Cap - Allstar Performance - Allstar Performance Cap - 8 AN - Aluminum - Black Anodize
Allstar Performance Cap - 8 AN - Aluminum - Black Anodize
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Description: Fitting, Cap, 8 AN, Aluminum, Black Anodized, Each
Item #: ALL49673
Condition: New
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $5.99
Sale: $4.99
Save: 17%
Save: $1.00
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Cap and Plug Fittings - Cap - Earl's - Earl's Aluminum AN Cap -03 AN - (2 Pack)
Earl's Aluminum AN Cap -03 AN - (2 Pack)
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Description: Fitting, Cap, 3 AN, Aluminum, Blue Anodized, Pair
Item #: EAR592903ERL
Condition: New
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $9.14
Sale: $8.23
Save: 10%
Save: $0.91

Cap and Plug Fittings - Cap - Earl's - Earl's Aluminum AN Cap -04 AN - (2 Pack)
Earl's Aluminum AN Cap -04 AN - (2 Pack)
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Description: Fitting, Cap, 4 AN, Aluminum, Blue Anodized, Pair
Item #: EAR592904ERL
Condition: New
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $9.14
Sale: $8.23
Save: 10%
Save: $0.91

Cap and Plug Fittings - Cap - Earl's - Earl's Aluminum AN Cap -06 AN - (2 Pack)
Earl's Aluminum AN Cap -06 AN - (2 Pack)
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Description: Fitting, Cap, 6 AN, Aluminum, Blue Anodized, Pair
Item #: EAR592906ERL
Condition: New
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $9.14
Sale: $8.23
Save: 10%
Save: $0.91

Cap and Plug Fittings - Cap - Earl's - Earl's Aluminum AN Cap -08 AN
Earl's Aluminum AN Cap -08 AN
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Description: Fitting, Cap, 8 AN, Aluminum, Blue Anodized, Each
Item #: EAR992908ERL
Condition: New
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $7.99
Sale: $7.19
Save: 10%
Save: $0.80

Cap and Plug Fittings - Cap - Earl's - Earl's Aluminum AN Cap -10 AN
Earl's Aluminum AN Cap -10 AN
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Description: Fitting, Cap, 10 AN, Aluminum, Blue Anodized, Each
Item #: EAR992910ERL
Condition: New
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $10.29
Sale: $9.26
Save: 10%
Save: $1.03

Cap and Plug Fittings - Cap - Earl's - Earl's Aluminum AN Cap -12 AN
Earl's Aluminum AN Cap -12 AN
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Description: Fitting, Cap, 12 AN, Aluminum, Blue Anodized, Each
Item #: EAR992912ERL
Condition: New
Limited Supply: Only 0 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $13.74
Sale: $12.37
Save: 10%
Save: $1.37
Cap and Plug Fittings - Cap - Earl's - Earl's Aluminum AN Cap -16 AN
Earl's Aluminum AN Cap -16 AN
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Description: Fitting, Cap, 16 AN, Aluminum, Blue Anodized, Each
Item #: EAR992916ERL
Condition: New
Limited Supply: Only 2 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $16.04
Sale: $14.44
Save: 10%
Save: $1.60

Cap and Plug Fittings - Cap - Earl's - Earl's Ano Tuff -3 AN Cap (2 Pack)
Earl's Ano Tuff -3 AN Cap (2 Pack)
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Description: Fitting, Cap, 3 AN, Aluminum, Black Anodized, Pair
Item #: EARAT592903ERL
Condition: New
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $9.14
Sale: $8.23
Save: 10%
Save: $0.91

Cap and Plug Fittings - Cap - Earl's - Earl's Ano Tuff -4 AN Cap (2 Pack)
Earl's Ano Tuff -4 AN Cap (2 Pack)
(0) Reviews: Write first review
Description: Fitting, Cap, 4 AN, Aluminum, Black Anodized, Pair
Item #: EARAT592904ERL
Condition: New
Limited Supply: Only 5 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $9.14
Sale: $8.23
Save: 10%
Save: $0.91

Cap and Plug Fittings - Cap - Earl's - Earl's Ano Tuff -6 AN Cap (2 Pack)
Earl's Ano Tuff -6 AN Cap (2 Pack)
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Description: Fitting, Cap, 6 AN, Aluminum, Black Anodized, Pair
Item #: EARAT592906ERL
Condition: New
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $9.14
Sale: $8.23
Save: 10%
Save: $0.91

Cap and Plug Fittings - Cap - Earl's - Earl's Ano Tuff AN Cap -10 AN
Earl's Ano Tuff AN Cap -10 AN
(0) Reviews: Write first review
Description: Fitting, Cap, 10 AN, Aluminum, Black Anodized, Each
Item #: EARAT992910ERL
Condition: New
Limited Supply: Only 5 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $11.44
Sale: $10.30
Save: 10%
Save: $1.14

Cap and Plug Fittings - Cap - Earl's - Earl's Ano Tuff AN Cap -12 AN
Earl's Ano Tuff AN Cap -12 AN
(0) Reviews: Write first review
Description: Fitting, Cap, 12 AN, Aluminum, Black Anodized, Each
Item #: EARAT992912ERL
Condition: New
Limited Supply: Only 4 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $13.74
Sale: $12.37
Save: 10%
Save: $1.37

Cap and Plug Fittings - Cap - Earl's - Earl's Ano Tuff AN Cap -8 AN
Earl's Ano Tuff AN Cap -8 AN
(0) Reviews: Write first review
Description: Fitting, Cap, 8 AN, Aluminum, Black Anodized, Each
Item #: EARAT992908ERL
Condition: New
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $9.14
Sale: $8.23
Save: 10%
Save: $0.91

Cap and Plug Fittings - Cap - Fragola Performance Systems - Fragola -10 AN Flare Cap
Fragola -10 AN Flare Cap
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Description: Fitting, Cap, 10 AN, Aluminum, Blue Anodized, Each
Item #: FRG492910
Condition: New
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $11.19
Sale: $8.97
Save: 20%
Save: $2.22
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Cap and Plug Fittings - Cap - Fragola Performance Systems - Fragola -10 AN Flare Cap - Black
Fragola -10 AN Flare Cap - Black
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Description: Fitting, Cap, 10 AN, Aluminum, Black Anodized, Each
Item #: FRG492910-BL
Condition: New
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $11.19
Sale: $8.97
Save: 20%
Save: $2.22
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Cap and Plug Fittings - Cap - Fragola Performance Systems - Fragola -12 AN Flare Cap
Fragola -12 AN Flare Cap
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Description: Fitting, Cap, 12 AN, Aluminum, Blue Anodized, Each
Item #: FRG492912
Condition: New
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $14.71
Sale: $9.97
Save: 32%
Save: $4.74
Qty:

Items 26-50 of 96

More About Cap

At Pit Stop USA, we have a great selection of Caps for your automotive plumbing needs. From AN and NPT fittings to fuel line and hose fittings, we offer a wide range of products to help you assemble a custom plumbing system for your competition vehicle or keep your classic car period-accurate. Our selection also includes adapters and reducers to make it easy to switch between fittings. With over 25 years of experience, we're proud to offer the most complete line of adapter fittings for aviation fluid transfer technology in the automotive performance market. You can trust us to meet all of your aviation fluid transfer technology needs and experience top-notch performance today!

Plastic, Aluminum and Steel Caps and Plugs are a must for sealing low pressure requirements and for keeping debris out of lines and hoses. PitStopUSA.com has aluminum caps and plugs in all popular sizes designed for 37 flared fittings and straight threaded ports.