Automotive Unions and Connectors for Coolant, Fuel and Heater Hoses

Browse our range of high-quality aluminium and nylon unions designed to connect coolant, fuel, and heater hoses. This collection includes straight, 90°, and T-piece connectors in a variety of sizes — perfect for reliable plumbing in engine bays, heating systems and fuel lines.

Sidebar

Filter Type

Filter Sub Type

Brand

Material

Thread

Size

Internal Diameter

Price

£
to
£

Latest Products

MOMO Race 2.0 320mm Steering Wheel Car Builder SolutionsMOMO Race 2.0 320mm Steering Wheel Car Builder Solutions

MOMO Race 2.0 320mm Steering Wheel

Steering Wheel, 320mm, black leather/spoke, enhanced control, made in Italy.
£275.99
£0.00
£275.99
(-0%)
MOMO Race 2.0 350mm Steering Wheel Car Builder SolutionsMOMO Race 2.0 320mm Steering Wheel Car Builder Solutions

MOMO Race 2.0 Steering Wheel

Steering Wheel, 350mm, black leather/spoke, enhanced control, made in Italy.
£275.99
£0.00
£275.99
(-0%)
MOMO GT-50 2.0 Black & Yellow Edition Steering Wheel Car Builder SolutionsMOMO GT-50 2.0 Black & Yellow Edition Steering Wheel Car Builder Solutions

MOMO GT-50 2.0 Black & Yellow Edition Steering Wheel

MOMO GT-50 2.0 Black & Yellow, Edition Steering Wheel, 350mm, black leather/spoke, enhanced control, made in Italy.
£509.99
£0.00
£509.99
(-0%)
MOMO GT-50 2.0 Black Edition Steering Wheel Car Builder SolutionsMOMO GT-50 2.0 Black Edition Steering Wheel Car Builder Solutions

MOMO GT-50 2.0 Black Edition Steering Wheel

MOMO GT-50 2.0 Black Edition Steering Wheel, 350mm, black leather/spoke, enhanced control, made in Italy.
£509.99
£0.00
£509.99
(-0%)
MOMO Corse 2.0 Steering WheelMOMO Corse 2.0 Steering Wheel
Quick Add
Close

MOMO Corse 2.0 Steering Wheel

MOMO Corse 2.0 Steering Wheel steering wheel, 350mm, black leather/spoke, enhanced control, made in Italy.
£293.99
£0.00
£293.99
(-0%)
Quick Add
Close
Car Builder Solutions 140mm LED Round 5-Function Rear Lamps (Pair) - SKU RL169 with dynamic indicatorCar Builder Solutions 140mm LED Round 5-Function Rear Lamps (Pair) - SKU RL169 with dynamic indicator.

140mm LED Round 5 Function Rear Lamps Dynamic Indicator - Pair

Sold as a Pair
£381.60
£0.00
£381.60
(-0%)
8 Piece Petrol Engine Compression Tester8 Piece Petrol Engine Compression Tester

8 Piece Petrol Engine Compression Tester

Easily check the compression on individual cylinders
£16.80
£0.00
£16.80
(-0%)
JB WELD Black Two Part Plastic BonderJB WELD Black Two Part Plastic Bonder

JB WELD Black Two Part Plastic Bonder

30 minute cure time for maximum strength.
£9.00
£0.00
£9.00
(-0%)
IGNITION SPARK POWER IGNTS3IGNITION SPARK POWER ESTER IGNTS3
Out Of Stock

Ignition Spark Power Tester

Easily test for spark power with this handy ignition tester. Clear visual indication.
£6.00
£0.00
£6.00
(-0%)
Out Of Stock
LONG NOSE PLIERS PACK OF THREE LNPPAKLONG NOSE PLIERS PACK OF THREE LNPPAK

11" (275mm) Long Nose Pliers Pack of Three

11" (275mm) Long Nose Pliers Pack of Three
£13.20
£0.00
£13.20
(-0%)
10 Piece 'T' Handle HEX KEY SETS10 Piece 'T' Handle HEX KEY SETS
Quick Add
Close

10 Piece 'T' Handle HEX KEY SETS

10 Piece 'T' Handle HEX KEY SETS
£9.60
£0.00
£9.60
(-0%)
Quick Add
Close
WIRE STRIPPER AND CUTTER WIRSTR2

Wire Stripper and Cutter

Strips 0.5-3.5mm Wire
£3.00
£0.00
£3.00
(-0%)
Automatic Wire Stripper With Wire Cutter and Crimping Jaws

Automatic Wire Stripper With Wire Cutter and Crimping Jaws

Strips 0.5-3.5mm Wire
£18.00
£0.00
£18.00
(-0%)
ALUMINIUM LAND ROVER DEFENDER STEERING WHEEL HUB SWH11

Aluminium Defender Steering Wheel Hub for 3/4" x 48 spline column

FIts Land Rover Defender with a 3.4" x 48 spline steering column
£55.20
£0.00
£55.20
(-0%)
SWH10 ALUMINIUM LAND ROVER DEFENDER STEERING WHEEL HUB

Aluminium Defender Steering Wheel Hub for 11/16" 36 spline column

FIts Land Rover Defender with a 11/16" x 36 spline steering column
£46.80
£0.00
£46.80
(-0%)
SWH9 Aluminium Steering Wheel Hub for Classic Mini, Metro, and Maxi - 48 Spline

Aluminium Mini / Metro / Maxi Steering Wheel Hub

FIts Mini, Metro and Maxi with a 3/4" x 48 spline steering column
£55.20
£0.00
£55.20
(-0%)
CIT In-Tank Low Pressure Feeder Pump Filter.

In-Tank Low Pressure Fuel Pump 5.5 PSI

5.5 PSI Intank Fuel Pump
£57.60
£0.00
£57.60
(-0%)
PVC Battery Terminal Covers - Car Builder Solutions

PVC Battery Terminal Covers (Pair)

Red and black rubber battery terminal covers. Universal fit. Protects terminals from corrosion and short circuits. Durable, flexible and easy to install.
£3.60
£0.00
£3.60
(-0%)
Mounting Bracket For Single Circuit Remote Brake Servo - Car Builder Solutions

Mounting Bracket For Single Circuit Remote Brake Servo

UNIVERSAL MOUNTING BRACKET ONLY. SERVO NOT INCLUDED ONLY FITS OUR #REMSERV2 SERVO
£21.60
£0.00
£21.60
(-0%)
Mounting Bracket For Dual Circuit Remote Brake Servo - Car Builder Solutions

Bottom Mounting Bracket For REMSERVDUAL Dual Circuit Remote Brake Servo

BOTTOM MOUNTING BRACKET ONLY. SERVO NOT INCLUDED ONLY FITS OUR #REMSERVDUAL SERVO
£21.60
£0.00
£21.60
(-0%)

Engine Oil

mobil-1-advanced-full-synthetic-engine-oil-0w-20-car-builder-solutionsmobil-1-advanced-full-synthetic-engine-oil-0w-20-car-builder-solutions
Quick Add
Close

MOBIL Mobil 1 0W-20 Advanced Full Synthetic Engine Oil

Advanced full synthetic 0W20 motor oil. Optimised for fuel economy and long-lasting engine protection in hybrid vehicles.
£13.96
£0.00
£13.96
(-0%)
Quick Add
Close
edge-0w-30-a5-b5-engine-oil-car-builder-solutionsedge-0w-30-a5-b5-engine-oil-car-builder-solutions
Quick Add
Close

CASTROL EDGE 0W-30 A5/B5 Engine Oil

Advanced 0W-30 motor oil boosts engine performance and fuel economy. Trusted by experts for ultimate protection and efficiency.
£16.96
£0.00
£16.96
(-0%)
Quick Add
Close
super-1000-x1-15w-40-engine-oil-available-in-multiple-sizes-car-builder-solutionssuper-1000-x1-15w-40-engine-oil-available-in-multiple-sizes-car-builder-solutions
Quick Add
Close

MOBIL Super 1000 X1 15W-40 Engine Oil

High-performance 15W40 motor oil. Provides excellent engine cleanliness, high-temperature protection, and wear protection. Suitable for various vehicles.
£10.96
£0.00
£10.96
(-0%)
Quick Add
Close
edge-5w-40-fully-synthetic-engine-oil-car-builder-solutionsedge-5w-40-fully-synthetic-engine-oil-car-builder-solutions
Quick Add
Close

CASTROL EDGE 5W-40 Fully Synthetic Engine Oil

Advanced full synthetic engine oil for maximum performance and protection. Improves fuel economy and exceeds industry standards.
£16.96
£0.00
£16.96
(-0%)
Quick Add
Close
magnatec-10w-40-a-b-engine-oil-car-builder-solutionsmagnatec-10w-40-a-b-engine-oil-car-builder-solutions
Quick Add
Close

CASTROL Magnatec 10W-40 A/B Engine Oil

Advanced engine oil with DUALOCK molecules for non-stop protection and reduced warm-up wear. ACEA A3/B4, API SP.
£11.95
£0.00
£11.95
(-0%)
Quick Add
Close
super-2000-x1-10w-40-engine-oil-car-builder-solutionssuper-2000-x1-10w-40-engine-oil-car-builder-solutions
Quick Add
Close

MOBIL Super 2000 X1 10W-40 Engine Oil

High-performance 10W40 motor oil offering superior engine protection, sludge prevention, and cleanliness. Meets various industry standards.
£9.95
£0.00
£9.95
(-0%)
Quick Add
Close
esp-formula-p-5w-30-engine-oil-car-builder-solutionsesp-formula-p-5w-30-engine-oil-car-builder-solutions
Quick Add
Close

MOBIL ESP Formula P 5W-30 Engine Oil

High-performance 5W30 engine oil. Protects catalytic converters, prevents sludge, and offers extended drain intervals.
£16.96
£0.00
£16.96
(-0%)
Quick Add
Close
edge-10w-60-supercar-engine-oil-multiple-sizes-available-car-builder-solutionsedge-10w-60-supercar-engine-oil-multiple-sizes-available-car-builder-solutions
Quick Add
Close

CASTROL EDGE 10W-60 Supercar Engine Oil

High-performance 10W-60 motor oil. Maximises engine protection and performance under extreme pressure. 4L capacity.
£21.95
£0.00
£21.95
(-0%)
Quick Add
Close
Filter
  • 10
  • 15
  • 20
  • 25
  • 30
  • 50
  • Featured
  • Most relevant
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old
Sort

Sort by:

  • Featured
  • Most relevant
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old
  • MALE A/C Union #6 Straight - Car Builder Solutions

    MALE A/C Union #6 Straight

    Durable & reliable male A/C union for joining two #6 A/C lines. Ensures a secure, leak-free connection in demanding systems.
    £8.40
    £0.00
    £8.40
    (-0%)
  • A/C #6 90 Degree Charging Port - Car Builder SolutionsA/C #6 90 Degree Charging Port - Car Builder Solutions

    A/C #6 90 Degree Charging Port

    90-degree A/C charging port with 'O' ring for secure seal. Ideal for tight spaces and ensures efficient charging.
    £24.00
    £0.00
    £24.00
    (-0%)
  • A/C Union #10 180 Degree - Car Builder Solutions

    A/C Union #10 180 Degree

    A robust 180-degree A/C union for joining #10 A/C lines, ensuring secure and leak-free connections.
    £18.00
    £0.00
    £18.00
    (-0%)
  • A/C #10 Crimp Hose and Male O Ring Bulkhead Fitting - Car Builder Solutions

    A/C #10 Crimp Hose and Male O Ring Bulkhead Fitting

    Durable A/C crimp hose fitting with male O-ring and bulkhead design for secure, leak-free connections. Easy installation.
    £28.80
    £0.00
    £28.80
    (-0%)
  • A/C Union #8 90 Degree Crimp Joiner - Car Builder Solutions

    A/C Union #8 90 Degree Crimp Joiner

    90-degree A/C union with #8 crimp fixings for secure, leak-free connections. Durable, compact design for easy installation.
    £14.40
    £0.00
    £14.40
    (-0%)
  • 13mm Straight Steel Banjo for 8mm Hose - Car Builder Solutions13mm Straight Steel Banjo for 8mm Hose - Car Builder Solutions

    13mm Straight Steel Banjo for 8mm Hose

    Will accept 1/2" UNF or 1/2" BSF threaded Banjo bolts.
    £4.20
    £0.00
    £4.20
    (-0%)
  • MALE A/C Union #10 Straight - Car Builder Solutions

    MALE A/C Union #10 Straight

    Male A/C union for secure, leak-free connections in automotive air conditioning systems. Durable and easy to install.
    £9.60
    £0.00
    £9.60
    (-0%)
  • A/C #10 Crimp Hose To Compression Fitting - Car Builder SolutionsA/C #10 Crimp Hose To Compression Fitting - Car Builder Solutions

    A/C #10 Crimp Hose To Compression Fitting

    Connects A/C crimp hose to 16mm compression fitting. 84mm long with 1" hex nut and plated steel olive.
    £19.20
    £0.00
    £19.20
    (-0%)
  • 12mm Straight Steel Banjo for 6mm Hose - Car Builder Solutions12mm Straight Steel Banjo for 6mm Hose - Car Builder Solutions

    12mm Straight Steel Banjo for 6mm Hose

    Suitable for fuel, oil, water, air. 12.2mm through hole.
    £3.60
    £0.00
    £3.60
    (-0%)
  • In-Line Connector M12 x 1 Male - Car Builder Solutions

    In-Line Connector M12 x 1 Male

    Durable brass in-line connector for 3/16" tubing with M12 x 1mm male threads. Ideal for plumbing and fluid transfer.
    £3.90
    £0.00
    £3.90
    (-0%)
  • #8 Straight Charging Port - Car Builder Solutions

    #8 Straight Charging Port

    #8 straight charging port for air conditioning systems. Features a crimp and O-ring fitting. Efficient and leak-free refrigerant transfer.
    £24.00
    £0.00
    £24.00
    (-0%)
  • A/C #8 90 Degree Crimp Hose and Male O Ring Bulkhead Fitting - Car Builder Solutions

    A/C #8 90 Degree Crimp Hose and Male O Ring Bulkhead Fitting

    A #8 90° air con crimp hose and male O-ring bulkhead fitting with 1 1/4" AF hex and 3/4" x 18 thread.
    £18.00
    £0.00
    £18.00
    (-0%)
  • 10mm Straight Steel Banjo for 6mm Hose - Car Builder Solutions10mm Straight Steel Banjo for 6mm Hose - Car Builder Solutions

    10mm Straight Steel Banjo for 6mm Hose

    Suitable for fuel, oil, water, air. 10.2mm through hole.
    £3.60
    £0.00
    £3.60
    (-0%)
  • MALE A/C Union #6 45 Degree - Car Builder Solutions

    MALE A/C Union #6 45 Degree

    45-degree male A/C union connector. #6 size for standard compatibility. Durable construction for leak-proof sealing.
    £7.20
    £0.00
    £7.20
    (-0%)
  • A/C #8 Crimp Hose To 1/2" Compression Fitting - Car Builder SolutionsA/C #8 Crimp Hose To 1/2" Compression Fitting - Car Builder Solutions

    A/C #8 Crimp Hose To 1/2" Compression Fitting

    Connects A/C #8 crimp hose to 1/2" compression fitting. 84mm long with 1" hex nut and stepped steel olive.
    £15.60
    £0.00
    £15.60
    (-0%)
  • 10mm 90 degree Steel Banjo for 6mm Hose - Car Builder Solutions10mm 90 degree Steel Banjo for 6mm Hose - Car Builder Solutions

    10mm 90 degree Steel Banjo for 6mm Hose

    Suitable for fuel, oil, water, air. 10.2mm through hole.
    £10.80
    £0.00
    £10.80
    (-0%)
  • A/C #6 Crimp Hose and Male O Ring Bulkhead Fitting - Car Builder Solutions

    A/C #6 Crimp Hose and Male O Ring Bulkhead Fitting

    A durable 100mm A/C #6 crimp hose and male O-ring bulkhead fitting with a removable nut, 1" AF hex, and 5/8" x 18 UNF thread.
    £24.00
    £0.00
    £24.00
    (-0%)
  • A/C Hose Reducing Straight Joiner #10 to #8 - Car Builder Solutions

    A/C Hose Reducing Straight Joiner #10 to #8

    Connects #10 and #8 A/C hoses, ensuring a secure, leak-free connection. Durable and easy to install.
    £10.80
    £0.00
    £10.80
    (-0%)
  • A/C #8 Crimp Hose and Male O Ring Bulkhead Fitting - Car Builder Solutions

    A/C #8 Crimp Hose and Male O Ring Bulkhead Fitting

    #8 A/C crimp hose and male O-ring bulkhead fitting. 112mm long, removable nut, 1 1/4" AF hex, 3/4" x 18 thread.
    £28.80
    £0.00
    £28.80
    (-0%)
  • A/C Hose Reducing Straight Joiner #8 to #6 - Car Builder Solutions

    A/C Hose Reducing Straight Joiner #8 to #6

    Connects #8 and #6 A/C hoses with a secure, leak-free, and durable straight joiner for optimal performance.
    £10.80
    £0.00
    £10.80
    (-0%)
  • Swivelling 6mm Hosetail Union 1/4" BSP With 6mm - Car Builder SolutionsSwivelling 6mm Hosetail Union 1/4" BSP With 6mm - Car Builder Solutions

    Swivelling Union 1/4" BSP With 6mm Hose Tail

    A swivelling union connecting 1/4" BSP female thread to 6mm hose tail. Ensures a tight, leak-free connection with its convex seat and compact design.
    £4.80
    £0.00
    £4.80
    (-0%)
  • Brass M10 x 1.25 Single Male Brake Union - Car Builder Solutions

    Brass M10 x 1.25 Single Male Brake Union

    Durable brass brake union for 3/16" tubing with M10 x 1.25 thread. Ensures secure, leak-free brake line connections. Easy installation.
    £1.80
    £0.00
    £1.80
    (-0%)
  • MALE A/C Union #10 45 Degree - Car Builder Solutions

    MALE A/C Union #10 45 Degree

    45-degree male A/C union with #10 crimp and 7/8" x 14 UNF thread. 110mm length for versatile AC connections.
    £12.00
    £0.00
    £12.00
    (-0%)
  • Stainless Steel M10 Swivel 'Y' Brake Union - Car Builder Solutions

    Stainless Steel M10 x 1 Swivel 'Y' Brake Union

    Durable stainless steel M10 x 1 swivel 'Y' brake union for secure and flexible brake line connections.
    £16.80
    £0.00
    £16.80
    (-0%)
  • 1/4" BSP Female Brass Union With 6mm Hosetail - Car Builder Solutions1/4" BSP Female Brass Union With 6mm Hosetail - Car Builder Solutions

    Brass 1/4" BSP Female Union To 6mm Hose Tail

    Brass fitting connecting 1/4" BSP female union to 6mm hose tail. Secure, leak-free connection, ideal for plumbing applications.
    £4.80
    £0.00
    £4.80
    (-0%)

Recently Viewed Products