PitStopUSA.com - Bung

Weld In Bungs and Fittings - Bung

If you're looking to add an o2 sensor, petcock drain, or plumbing fitting to automotive components like exhaust tubing, oil pans, fuel cells, or intake manifolds, then a quality weld-in bung is a smart choice. Weld-in bungs are not only essential for custom exhausts, but they can also save you time and hassle when adding fittings to oil pans or fuel cells. Additionally, weld-in bungs are useful for those building custom nitrous systems. At Pit Stop USA, we offer a variety of weld-in bungs in different sizes and threads, including aluminum and steel options and AN, metric, and NPT threads. Find the perfect weld-in bung for your automotive component needs at Pit Stop USA.

Weld-on bungs are available in 6061 aluminum or mild steel and allow additional fittings to be added to radiators, oil pans, building of custom tanks or other components.

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Items 26-50 of 165
Weld In Bungs and Fittings - Bung - Allstar Performance - Allstar Performance 3/4" NPT Female Weld Bung - Aluminum
Allstar Performance 3/4" NPT Female Weld Bung - Aluminum
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Description: Bung, 3/4 in NPT Female, Weld-On, Aluminum, Natural, Each
Item #: ALL50744
Condition: New
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Price: $10.99
Sale: $10.59
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Weld In Bungs and Fittings - Bung - Allstar Performance - Allstar Performance 3/4" NPT Female Weld Bung - Steel
Allstar Performance 3/4" NPT Female Weld Bung - Steel
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Description: Bung, 3/4 in NPT Female, Weld-On, Steel, Natural, Each
Item #: ALL50754
Condition: New
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Price: $11.99
Sale: $11.59
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Weld In Bungs and Fittings - Bung - Allstar Performance - Allstar Performance 3/8" NPT Female Weld Bung - Aluminum
Allstar Performance 3/8" NPT Female Weld Bung - Aluminum
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Description: Bung, 3/8 in NPT Female, Weld-On, Aluminum, Natural, Each
Item #: ALL50742
Condition: New
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Price: $7.99
Sale: $7.79
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Weld In Bungs and Fittings - Bung - Allstar Performance - Allstar Performance 3/8" NPT Female Weld Bung - Steel
Allstar Performance 3/8" NPT Female Weld Bung - Steel
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Description: Bung, 3/8 in NPT Female, Weld-On, Steel, Natural, Each
Item #: ALL50752
Condition: New
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Price: $8.99
Sale: $7.99
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Weld In Bungs and Fittings - Bung - Allstar Performance - Allstar Performance 4 AN Female Weld Bung - Aluminum
Allstar Performance 4 AN Female Weld Bung - Aluminum
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Description: Bung, 4 AN Female O-Ring, Weld-On, Aluminum, Natural, Each
Item #: ALL50780
Condition: New
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Price: $8.99
Sale: $7.99
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Weld In Bungs and Fittings - Bung - Allstar Performance - Allstar Performance 4 AN Male Weld Bung - Aluminum
Allstar Performance 4 AN Male Weld Bung - Aluminum
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Description: Bung, 4 AN Male, Weld-On, Aluminum, Natural, Each
Item #: ALL50760
Condition: New
Limited Supply: Only 8 Left!
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Price: $8.99
Sale: $7.99
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Weld In Bungs and Fittings - Bung - Allstar Performance - Allstar Performance 4 AN Male Weld Bung - Steel
Allstar Performance 4 AN Male Weld Bung - Steel
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Description: Bung, 4 AN Male, Weld-On, Steel, Natural, Each
Item #: ALL50770
Condition: New
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Price: $8.99
Sale: $7.99
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Weld In Bungs and Fittings - Bung - Allstar Performance - Allstar Performance 6 AN Female Weld Bung - Aluminum
Allstar Performance 6 AN Female Weld Bung - Aluminum
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Description: Bung, 6 AN Female O-Ring, Weld-On, Aluminum, Natural, Each
Item #: ALL50781
Condition: New
Limited Supply: Only 5 Left!
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Price: $8.99
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Weld In Bungs and Fittings - Bung - Allstar Performance - Allstar Performance 6 AN Male Weld Bung - Aluminum
Allstar Performance 6 AN Male Weld Bung - Aluminum
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Description: Bung, 6 AN Male, Weld-On, Aluminum, Natural, Each
Item #: ALL50761
Condition: New
Limited Supply: Only 8 Left!
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Price: $8.99
Sale: $7.99
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Weld In Bungs and Fittings - Bung - Allstar Performance - Allstar Performance 6 AN Male Weld Bung - Steel
Allstar Performance 6 AN Male Weld Bung - Steel
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Description: Bung, 6 AN Male, Weld-On, Steel, Natural, Each
Item #: ALL50771
Condition: New
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Price: $8.99
Sale: $7.99
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Weld In Bungs and Fittings - Bung - Allstar Performance - Allstar Performance 8 AN Female Weld Bung - Aluminum
Allstar Performance 8 AN Female Weld Bung - Aluminum
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Description: Bung, 8 AN Female O-Ring, Weld-On, Aluminum, Natural, Each
Item #: ALL50782
Condition: New
Limited Supply: Only 5 Left!
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Price: $9.99
Sale: $9.29
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Weld In Bungs and Fittings - Bung - Allstar Performance - Allstar Performance 8 AN Male Weld Bung - Aluminum
Allstar Performance 8 AN Male Weld Bung - Aluminum
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Description: Bung, 8 AN Male, Weld-On, Aluminum, Natural, Each
Item #: ALL50762
Condition: New
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Price: $9.99
Sale: $8.99
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Weld In Bungs and Fittings - Bung - Allstar Performance - Allstar Performance 8 AN Male Weld Bung - Steel
Allstar Performance 8 AN Male Weld Bung - Steel
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Description: Bung, 8 AN Male, Weld-On, Steel, Natural, Each
Item #: ALL50772
Condition: New
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Orders over $149 ship free. Oversize items are excluded.
Price: $9.99
Sale: $8.99
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Weld In Bungs and Fittings - Bung - ARP - ARP 3/8" NPT Female Bung Weld-On Steel Natural - Each
ARP 3/8" NPT Female Bung Weld-On Steel Natural - Each
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Description: Bung, 3/8 in NPT Female, Weld-On, Steel, Natural, Each
Item #: ARP800-8202
Condition: New
Limited Supply: Only 2 Left!
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Price: $18.66
Sale: $10.97
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Weld In Bungs and Fittings - Bung - Computech Systems - Computech Systems Weld-In Header Adapter
Computech Systems Weld-In Header Adapter
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Description: Bung, 1/8 in NPT Female, Weld-On, Aluminum, Natural, Each
Item #: CPT4135
Condition: New
Limited Supply: Only 0 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $4.95
Sale: $4.88
Save: 1%
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Weld In Bungs and Fittings - Bung - Earl's - Earl's Aluminum -04 AN Male Weld Fitting
Earl's Aluminum -04 AN Male Weld Fitting
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Description: Bung, 4 AN Male, Weld-On, Aluminum, Natural, Each
Item #: EAR997104ERL
Condition: New
Limited Supply: Only 5 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $7.99
Sale: $7.19
Save: 10%
Save: $0.80

Weld In Bungs and Fittings - Bung - Earl's - Earl's Aluminum Female AN Weld Adapter - O-Ring Seal -06 AN
Earl's Aluminum Female AN Weld Adapter - O-Ring Seal -06 AN
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Description: Bung, 6 AN Female O-Ring, Weld-On, Aluminum, Natural, Each
Item #: EAR987106ERL
Condition: New
Limited Supply: Only 0 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $12.59
Sale: $11.33
Save: 10%
Save: $1.26
Weld In Bungs and Fittings - Bung - Earl's - Earl's Aluminum Female AN Weld Adapter - O-Ring Seal -10 AN
Earl's Aluminum Female AN Weld Adapter - O-Ring Seal -10 AN
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Description: Bung, 10 AN Female O-Ring, Weld-On, Aluminum, Natural, Each
Item #: EAR987110ERL
Condition: New
Limited Supply: Only 0 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $16.61
Sale: $14.95
Save: 10%
Save: $1.66
Weld In Bungs and Fittings - Bung - Earl's - Earl's Aluminum Female AN Weld Adapter - O-Ring Seal -12 AN
Earl's Aluminum Female AN Weld Adapter - O-Ring Seal -12 AN
(0) Reviews: Write first review
Description: Bung, 12 AN Female O-Ring, Weld-On, Aluminum, Natural, Each
Item #: EAR987112ERL
Condition: New
Limited Supply: Only 5 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $22.94
Sale: $20.65
Save: 10%
Save: $2.29

Weld In Bungs and Fittings - Bung - Earl's - Earl's Aluminum Female AN Weld Adapter - O-Ring Seal -16 AN
Earl's Aluminum Female AN Weld Adapter - O-Ring Seal -16 AN
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Description: Bung, 16 AN Female O-Ring, Weld-On, Aluminum, Natural, Each
Item #: EAR987116ERL
Condition: New
Limited Supply: Only 0 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $27.72
Sale: $24.95
Save: 10%
Save: $2.77
Weld In Bungs and Fittings - Bung - Earl's - Earl's Aluminum Female Weld Fitting - 1/2" NPT
Earl's Aluminum Female Weld Fitting - 1/2" NPT
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Description: Bung, 1/2 in NPT Female, Weld-On, Aluminum, Natural, Each
Item #: EAR996704ERL
Condition: New
Limited Supply: Only 6 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $11.44
Sale: $10.30
Save: 10%
Save: $1.14

Weld In Bungs and Fittings - Bung - Earl's - Earl's Aluminum Female Weld Fitting - 1/4" NPT
Earl's Aluminum Female Weld Fitting - 1/4" NPT
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Description: Bung, 1/4 in NPT Female, Weld-On, Aluminum, Natural, Each
Item #: EAR996702ERL
Condition: New
Limited Supply: Only 3 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $7.99
Sale: $7.19
Save: 10%
Save: $0.80

Weld In Bungs and Fittings - Bung - Earl's - Earl's Aluminum Female Weld Fitting - 1/8" NPT
Earl's Aluminum Female Weld Fitting - 1/8" NPT
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Description: Bung, 1/8 in NPT Female, Weld-On, Aluminum, Natural, Each
Item #: EAR996701ERL
Condition: New
Limited Supply: Only 7 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $6.84
Sale: $6.16
Save: 10%
Save: $0.68

Weld In Bungs and Fittings - Bung - Earl's - Earl's Aluminum Female Weld Fitting - 3/4" NPT
Earl's Aluminum Female Weld Fitting - 3/4" NPT


Not available for shipment to Alaska or Hawaii.
(0) Reviews: Write first review
Description: Bung, 3/4 in NPT Female, Weld-On, Aluminum, Natural, Each
Item #: EAR996706ERL
Condition: New
Limited Supply: Only 2 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $15.50
Sale: $9.77
Save: 37%
Save: $5.73

Weld In Bungs and Fittings - Bung - Earl's - Earl's Aluminum Female Weld Fitting - 3/8" NPT
Earl's Aluminum Female Weld Fitting - 3/8" NPT
(0) Reviews: Write first review
Description: Bung, 3/8 in NPT Female, Weld-On, Aluminum, Natural, Each
Item #: EAR996703ERL
Condition: New
Limited Supply: Only 7 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $10.29
Sale: $9.26
Save: 10%
Save: $1.03

Items 26-50 of 165

More About Bung

If you're looking to add an o2 sensor, petcock drain, or plumbing fitting to automotive components like exhaust tubing, oil pans, fuel cells, or intake manifolds, then a quality weld-in bung is a smart choice. Weld-in bungs are not only essential for custom exhausts, but they can also save you time and hassle when adding fittings to oil pans or fuel cells. Additionally, weld-in bungs are useful for those building custom nitrous systems. At Pit Stop USA, we offer a variety of weld-in bungs in different sizes and threads, including aluminum and steel options and AN, metric, and NPT threads. Find the perfect weld-in bung for your automotive component needs at Pit Stop USA.

Weld-on bungs are available in 6061 aluminum or mild steel and allow additional fittings to be added to radiators, oil pans, building of custom tanks or other components.