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  2. John Guest *
  3. Adaptors and Reducers *

Adaptors and Reducers *

[CI010823W] John Guest White Straight Adaptor 1⁄4″ x 3⁄8″ (NPTF Thread)

John Guest White Straight Adaptor 1⁄4″ x 3⁄8″ (NPTF Thread)

Genuine John Guest Part
White Acetal
Tube OD: 1⁄4″
NPTF Thread: 3⁄8″
£ 1.00
[CI010822W] John Guest White Straight Adaptor 1⁄4″ × 1⁄4″ (NPTF Thread)

John Guest White Straight Adaptor 1⁄4″ × 1⁄4″ (NPTF Thread)

Genuine John Guest Part
White Acetal
Tube OD: 1⁄4″
NPTF Thread: 1⁄4″
£ 0.99
[PI010821S] John Guest Straight Adaptor 1/4" x 1/8" NPTF **

John Guest Straight Adaptor 1/4" x 1/8" NPTF **

Genuine John Guest Part.
Tube OD: 1/4"
NPTF Thread: 1/8"
£ 0.89
[PI010812S] John Guest Straight Adaptor 1/4" x 1/4" BSP

John Guest Straight Adaptor 1/4" x 1/4" BSP

Genuine John Guest Part.
Tube OD: 1/4"
BSP Thread: 1/4"
£ 1.67
[PI010802S] John Guest Straight Adaptor 1/4" x 1/4" BSPT

John Guest Straight Adaptor 1/4" x 1/4" BSPT

Genuine John Guest Part.
Tube OD: 1/4"
BSPT Thread: 1/4"
£ 1.00
[PI010801S] John Guest Straight Adaptor 1/4" x 1/8" BSPT

John Guest Straight Adaptor 1/4" x 1/8" BSPT

Genuine John Guest Part.
Tube OD: 1/4"
BSPT Thread: 1/8"
£ 0.89
[PI010621S] John Guest Straight Adaptor 3/16" x 1/8" NPTF

John Guest Straight Adaptor 3/16" x 1/8" NPTF

Genuine John Guest Part.
Tube OD: 3/16"
NPTF Thread: 1/8"
£ 0.80
[PI010602S] John Guest Straight Adaptor 3/16" x 1/4" BSPT

John Guest Straight Adaptor 3/16" x 1/4" BSPT

Genuine John Guest Part.
Tube OD: 3/16"
BSPT Thread: 1/4"
£ 1.00
[NC932] John Guest Stem to Hose Adaptor 15mm x 1/2" **

John Guest Stem to Hose Adaptor 15mm x 1/2" **


Genuine John Guest Part.
£ 2.03
[NC478] John Guest Stem to Stem Adaptor 15mm x 3/8" ***

John Guest Stem to Stem Adaptor 15mm x 3/8" ***

Genuine John Guest Part.
£ 2.23
[NC2586] John Guest Reducer 1/4" x 6mm **

John Guest Reducer 1/4" x 6mm **

Genuine John Guest Part.
£ 1.33
[NC2183] John Guest Cooling Manifold 15mm x 15mm x 3/8″ x 3/8″

John Guest Cooling Manifold 15mm x 15mm x 3/8″ x 3/8″

Genuine John Guest Part
Tube OD (x2): 15mm
Tube OD (x2): 3/8″
£ 8.59
[NC128/I12] John Guest Outlet Adaptor 3/8" x 1/4″ (Parallel Thread)

John Guest Outlet Adaptor 3/8" x 1/4″ (Parallel Thread)

Genuine John Guest Part
Tube OD: 3/8"
MFL Thread: 1/4″
£ 2.55
[PI251612S] John Guest Tube to Hose Stem Adaptor 1/2" x 3/8"

John Guest Tube to Hose Stem Adaptor 1/2" x 3/8"

Genuine John Guest Part
Stem OD: 1/2"
Hose ID: 3/8"
£ 1.45
[PI251216S] John Guest Tube to Hose Stem Adaptor 3/8" x 1/2"

John Guest Tube to Hose Stem Adaptor 3/8" x 1/2"

Genuine John Guest Part
Stem OD: 3/8"
Hose ID: 1/2"
£ 1.33
[PI251212S] John Guest Tube to Hose Stem Adaptor 3/8" x 3/8"

John Guest Tube to Hose Stem Adaptor 3/8" x 3/8"

Genuine John Guest Part
Stem OD: 3/8"
Hose ID: 3/8"
£ 1.24
[PI251210S] John Guest Tube to Hose Stem Adaptor 3/8" x 5/16"

John Guest Tube to Hose Stem Adaptor 3/8" x 5/16"

Genuine John Guest Part.
Stem OD: 3⁄8
Hose ID: 5⁄16
£ 1.17
[PI251208S] John Guest Tube to Hose Stem Adaptor 3/8" x 1/4"

John Guest Tube to Hose Stem Adaptor 3/8" x 1/4"

Genuine John Guest Part
Stem OD: 3/8"
Hose ID: 1/4"
£ 1.23
[PI250810S] John Guest Tube to Hose Stem Adaptor 1/4″ x 5/16″

John Guest Tube to Hose Stem Adaptor 1/4″ x 5/16″


Genuine John Guest Part
Stem OD: 1/4″
Hose ID: 5/16″
£ 0.71
[PI250808S] John Guest Tube to Hose Stem Adaptor 1/4″ x 1/4″

John Guest Tube to Hose Stem Adaptor 1/4″ x 1/4″

Genuine John Guest Part
Stem OD: 1/4″
Hose ID: 1/4″
£ 0.75


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