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Summit Racing™ Oxygen Sensor Bungs
Summit Racing™ Oxygen Sensor bungs or "O2 Bungs" are what you need to put oxygen sensors in your exhaust when retrofitting fuel injection or test equipment to the exhaust of your vehicle. They weld in and come in mild steel or stainless.
( 79 )
$3.99
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$10.99
Vibrant Performance J-Style Oxygen Sensor Fittings
Vibrant Performance J-style oxygen sensor fittings help you to complete your project with quality bungs and great value. When clearance under the vehicle is an issue, their "J" shape allows for an easier installation, by placing the sensor parallel to the exhaust pipe. Vibrant sensor fittings are crafted from T304 stainless steel.
( 17 )
$32.50
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$40.99
Vibrant Performance Standard Oxygen Sensor Fittings
Vibrant Performance oxygen sensor fittings help you to complete your project with quality bungs and great value. All of their standard bungs accept all standard O2 sensors and are crafted from either T304 or mild steel. Plus, they're available individually or in bulk. Choose from the assortment of standard oxygen sensor fittings from Vibrant Performance to finish your job right.
( 106 )
$3.29
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$279.99
ICT Billet Weld-In Bungs and Fittings
ICT Billet weld-in bungs and fittings enable the installation of various sensors, fittings, or barbs. ICT Billet weld-in bungs and fittings will assist in making your job a success. Order the size, material, and attachment options needed for your application.
( 61 )
$10.99
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$29.99
Summit Racing™ Weld-In Bungs
If you'd rather build it than buy it, Summit Racing™ has you covered with our weld-in bungs. Whether it's a fuel cell, catch can, or oil tank, we offer these quality weld-in bungs in multiple sizes and materials to fit your fabricating needs.
( 72 )
$3.99
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$9.99
Vibrant Performance Weld Bungs
Vibrant AN and NPT weld bungs are ideal to help you with your custom plumbing project. They are manufactured from quality materials--mild steel or T6061 billet aluminum--and are available in female NPT, male AN, and female AN thread and O.D. sizes to suit your application--and your budget--perfectly. Let Vibrant help you with aluminum radiators, oil pans, custom tank fabrication, or any other project that requires custom plumbing.
( 42 )
$3.79
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$54.99
Earl's Performance Weld-In Oxygen Sensor Bungs
Earl's oxygen sensor weld fittings are the ideal way to add a sensor when converting to EFI or adding a wideband air/fuel gauge for tuning carbureted engines. The weld fittings are available in steel or stainless steel to match your exhaust system. The thread size is 18mm x 1.5 and fit most OEM and aftermarket oxygen sensors. They feature a recessed step for easy installation by drilling a hole in the exhaust system and welding the fitting in place.
( 13 )
$11.46
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$15.79
NGK Weld-in Oxygen Sensor Bungs and Plugs
NGK weld in oxygen sensor bungs and plugs are just what you need to install an oxygen sensor in your vehicle. These are designed to be welded anywhere in the exhaust system, and includes a plug to seal the boss whenever the sensor is removed.
( 22 )
$11.99
Hedman Weld-In O2 Sensor Bungs
When doing a custom installation or fabricating your own header setup, make sure you use the right components. Hedman weld-in O2 sensor bungs help make your job easier, and because they're from Hedman, you can be sure that they're top quality.
( 8 )
$7.99
On Sale
Holley EGT Bungs
Holley EGT bungs are quality replacement service parts designed exclusively for use with Holley's 8-Channel Exhaust Gas Temperature Monitoring kit (sold separately). Made from 316 stainless steel, these weldment bung fittings feature a built-in step—which keeps the bung held in place during the welding process, ensuring a perfect weld. They're sold individually or in multiple-piece count sets.
Not Yet Reviewed
$188.95
$28.60
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$170.05
ICT Billet Fuel Injector Bungs
ICT Billet fuel injector bungs are ideal for your custom intake manifold fuel rail. These special LS1 bungs allow you to use taller intake and fuel rails with shorter length injectors. Of course, these weld-in bungs are manufactured from 6061-T6 billet aluminum for lasting performance.
( 2 )
$49.99
Flowtech Weld-In O2 Sensor Bungs
Flowtech offers these weld-in O2 sensor bungs for custom installations. These high-quality emissions accessories work with your other Flowtech accessories to make your header installation a success.
( 6 )
$22.50
Holley Weld-In Oxygen Sensor Bungs
Ever needed to install an oxygen sensor and couldn't figure out how to do it. Install it the easy way with these Holley weld-in oxygen sensor bungs. They're designed to be welded into any steel pipe and come with the proper threads for any OEM or aftermarket oxygen sensor.
( 8 )
$16.16
On Sale
Moroso Weld-In Bungs
Moroso weld-in bungs are available in aluminum, steel, or stainless steel. They can be welded to valve covers, holding tanks, cylinder heads, oil pans, or wherever an NPT fitting is needed.
( 7 )
$12.99
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$166.99
$11.69
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$150.29
Manufacturer Rebate
Innovate Weld-In Bungs
Innovate Technology weld-in bungs are available in steel and stainless steel. They are also available in several sizes to suit your needs.
( 28 )
$8.99
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$13.99
Rhodes Race Cars Weld-In Bungs
Rhodes Race Cars weld-in bungs are for those who would rather build it than buy it. These quality RRC aluminum fittings are offered in multiple sizes to fit your fabricating needs. Whether it's a fuel cell, catch can, or oil tank, Rhodes Race Cars weld-in bungs will assist in your choice to do it yourself.
( 19 )
$2.99
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$8.99
ARP Weld Bungs
ARP offers these premium-quality weld-in bungs for a variety of uses. They're CNC-machined from 6061 solid aluminum billet or 1018 mild steel and are great for oil or fuel tanks, radiators, valve covers, manifolds, and rear axle housings. These bungs are available in your choice of sizes to suit your needs.
( 29 )
$9.99
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$36.99
Allstar Performance Weld-On Bungs
Allstar Performance weld-on bungs allow additional fittings to be added to oil pans, radiators, building of custom tanks, or other components. They're available in 6061 aluminum or mild steel and come in various styles and thread sizes, with or without a flange, to suit your needs. For racing, rodding, and street performance parts, look to Allstar!
( 12 )
$6.89
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$17.49
Redhorse Performance 972 Series Weld-On Bungs
Plumbing your vehicle properly will use many different fittings. Redhorse Performance 972 Series weld-on bungs feature lightweight, unfinished raw aluminum construction, offering your project performance and style. RHP's 972 Series compact weld-on AN male adapters are available in several sizes. Choose the one or ones best suited to your task.
( 2 )
$6.04
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$15.26
Trick Flow® Weld-in Bung Fittings
Trick Flow® weld-in bung fittings are manufactured from premium billet aluminum. These components can deliver great performance in high style, and will add the finishing touch to your engine compartment. Trick Flow® weld-in bulkheads come in varying sizes to fit most applications.
( 8 )
$4.99
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$8.99
Vintage Air Stainless Hardline Parts
Vintage Air offers these parts for use when plumbing your hardline cooling system. From fittings to nuts to adapters, Vintage Air has your hardline hardware needs covered.
( 8 )
$13.99
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$21.99
Allstar Performance O2 Sensor Bungs
Allstar Performance O2 sensor bungs are great for a variety of uses. These hard-to-find steel fittings are offered in straight and angled versions.
( 2 )
$8.99
Racepak Weld-In Bungs
Racepak weld-in bungs offer quality made from steel and stainless steel. For EGT and air/fuel sensors, these weldments will create a place for your sensors and probes.
Not Yet Reviewed
$11.22
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$16.14
Dorman Sensor Bung Repair Kits
Corroded, stripped, or damaged sensor bungs no longer means having to replace an entire assembly, pipe, or component. Dorman sensor bung repair kits offer an OE solution—a cost-effective fix—that allows you to replace/repair just the damaged part, saving time and money.
( 1 )
$10.99
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$28.99
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