Weld-on fittings For Motorsport

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A selection of weld-on threaded adaptors designed to help you connect parts in your engine bay and make fabrication much easier.

Our Weld-On Fittings Range

ADVOCULT

AN Aluminium Weld-On Bung 3/8-3/4

MSRP: £3.19

Was:

Now: £0.83
ADVOCULT

AN Aluminium Weld-On Bung AN4-AN16

MSRP: £3.19

Was:

Now: £0.99
ADVOCULT

Female AN Aluminium Weld-On Bung AN6-AN10

MSRP:

Was:

Now: £0.99
HALTECH

sku: HT-010809

Haltech 1/4" Mild Steel Weld-On Base Only

MSRP:

Was:

Now: £10.00
HALTECH

sku: HT-010810

Haltech 1/4" Mild Steel Weld-On Kit

MSRP:

Was:

Now: £16.00
HALTECH

sku: HT-010813

Haltech 1/4" Stainless Compression Fitting Kit

MSRP:

Was:

Now: £16.00
HALTECH

sku: HT-010811

Haltech 1/4" Stainless Steel Weld-On Base Only

MSRP:

Was:

Now: £10.00
HALTECH

sku: HT-010812

Haltech 1/4" Stainless Steel Weld-On Kit

MSRP:

Was:

Now: £16.00
HALTECH

sku: HT-010702

Haltech O2 Sensor Weld-On Bung - 303 Stainless Steel

MSRP:

Was:

Now: £13.00
HALTECH

sku: HT-010701

Haltech O2 Sensor Weld-On Bung - 6061 Aluminium - Thread: M18 x 1.5

MSRP:

Was:

Now: £13.00
HALTECH

sku: HT-010233

Haltech Weld Fitting - Aluminum - Thread: 3/8 NPT 18 TPI

MSRP:

Was:

Now: £10.00
HALTECH

sku: HT-010230

Haltech Weld Fitting - Aluminum - Thread: M14 x 1.5

MSRP:

Was:

Now: £10.00
HALTECH

sku: HT-010231

Haltech Weld-On Fitting 1/8 NPT - 27 TPI - 6061 Aluminium - Size: 20.4mm x 13mm

MSRP:

Was:

Now: £10.00
sku: 101-0046

Link Mounting Boss (IAT1-8MA)

MSRP:

Was:

Now: £21.60
sku: 101-0047

Link Mounting Boss (IAT1-8MS)

MSRP:

Was:

Now: £18.00
sku: 101-0050

Link Mounting Boss Steel (IATBMS)

MSRP:

Was:

Now: £21.60
ADVOCULT

Stainless Weld-On Bung

MSRP:

Was:

Now: £5.48

AN Aluminium Weld-On Bung 3/8-3/4
AN Aluminium Weld-On Bung 3/8-3/4 Advocult Motorsport's aluminium adaptors feature lightweight 6061 T6 billet aluminium construction.

MSRP: £3.19

Was:

Now: £0.83
AN Aluminium Weld-On Bung AN4-AN16
AN Aluminium Weld-On Bung AN4-AN16 Advocult Motorsport's aluminium adaptors feature lightweight 6061 T6 billet aluminium construction.

MSRP: £3.19

Was:

Now: £0.99
Female AN Aluminium Weld-On Bung AN6-AN10
Female AN Aluminium Weld-On Bung AN6-AN10 Advocult Motorsport's aluminium adaptors feature lightweight 6061 T6 billet aluminium construction.

MSRP:

Was:

Now: £0.99
Haltech 1/4" Mild Steel Weld-On Base Only
1/4" Mild steel weld-on base only

MSRP:

Was:

Now: £10.00
Haltech 1/4" Mild Steel Weld-On Kit
1/4" Mild Steel Weld-on Kit - inc Nut and Ferrule INCLUDES: Nut and ferrule. NOTES: Compression ferrules are single use and must be replaced when replacing probes.

MSRP:

Was:

Now: £16.00
Haltech 1/4" Stainless Compression Fitting Kit
1/4" Stainless Compression Fitting Kit - 1/8" NPT Thread THREAD: 1/8 NPT INCLUDES: Nut and ferrule. NOTES: Compression ferrules are single use and must be replaced when replacing probes.

MSRP:

Was:

Now: £16.00
Haltech 1/4" Stainless Steel Weld-On Base Only
1/4" Stainless steel weld-on base only

MSRP:

Was:

Now: £10.00
Haltech 1/4" Stainless Steel Weld-On Kit
1/4" Stainless Steel Weld-on Kit - inc Nut and Ferrule INCLUDES: Nut and ferrule. NOTES: Compression ferrules are single use and must be replaced when replacing probes.

MSRP:

Was:

Now: £16.00
Haltech O2 Sensor Weld-On Bung - 303 Stainless Steel
O2 Sensor Weld-On Bung - 303 Stainless Steel THREAD: M18 x1.5 INCLUDES: 1 x weld-on bung - 303 Stainless Steel, 1 x copper washer and 1 x blanking plug.

MSRP:

Was:

Now: £13.00
Haltech O2 Sensor Weld-On Bung - 6061 Aluminium - Thread: M18 x 1.5
O2 Sensor Weld-On Bung - 6061 Aluminium Suits: M18 thread oxygen sensors. Includes: 1 x 6061 aluminium weld-on bung.

MSRP:

Was:

Now: £13.00
Haltech Weld Fitting - Aluminum - Thread: 3/8 NPT 18 TPI
Weld fitting 3/8 NPT - Suit large air temp - Aluminum Suits: Air temp sensor - Large thread and coolant temp sensor - Large thread.

MSRP:

Was:

Now: £10.00
Haltech Weld Fitting - Aluminum - Thread: M14 x 1.5
Weld fitting M14 x 1.5 - Small thread air temp - Aluminum Suits: Air temp Ssensor - Small thread.

MSRP:

Was:

Now: £10.00
Haltech Weld-On Fitting 1/8 NPT - 27 TPI - 6061 Aluminium - Size: 20.4mm x 13mm
Weld fitting 1/8 NPT - 27 TPI - 6061 Aluminium Includes: 1 x 1/8 NPT weld-on fitting

MSRP:

Was:

Now: £10.00
Link Mounting Boss (IAT1-8MA)
Link Mounting Boss (IAT1-8MA) Weld-in aluminium boss, 1/8" BSP thread. Suitable for mounting intake air temperature (IAT1-8), coolant temperature sensors (NTC1-8), and other sensors that use 1/8" BSP thread.

MSRP:

Was:

Now: £21.60
Link Mounting Boss (IAT1-8MS)
Link Mounting Boss (IAT1-8MS) Weld-in steel boss, 1/8" BSP thread. Suitable for mounting intake air temperature (IAT1-8), coolant temperature sensors (NTC1-8), and other sensors that use 1/8" BSP thread.

MSRP:

Was:

Now: £18.00
Link Mounting Boss Steel (IATBMS)
Link Mounting Boss Steel (IATBMS) Weld-in steel boss. Bosch part. Suitable for mounting the IATB Inlet Air Temperature sensor and other sensors that mount via a Bosch-style flange.

MSRP:

Was:

Now: £21.60
Stainless Weld-On Bung
Stainless Weld-On Bung This fitting is made from 316/L stainless steel.

MSRP:

Was:

Now: £5.48

Shop by Brand

WELD-ON FITTINGS

Our Weld-On Fittings Range

ADVOCULT

ADVOCULT

ADVOCULT

HALTECH

sku: HT-010809

HALTECH

sku: HT-010810

HALTECH

sku: HT-010813

HALTECH

sku: HT-010811

HALTECH

sku: HT-010812

HALTECH

sku: HT-010702

HALTECH

sku: HT-010701

HALTECH

sku: HT-010233

HALTECH

sku: HT-010230

HALTECH

sku: HT-010231

sku: 101-0046

sku: 101-0047

sku: 101-0050

ADVOCULT