Triumph Spitfire Main Case - Solenoid and Fittings - J Type

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Part No.: GRID005719

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NKC53S
Out of stock, expected soon. Add to cart and Back Order
£24.00 ex VAT£28.80 inc UK VAT
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NKC96
Out of stock, expected soon Nov 25, 2024. Add to cart and Back Order
£1.60 ex VAT£1.92 inc UK VAT
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Special tool for removing and refitting the Solenoid on a J Type overdrive.
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NKC41SPANNER
In stock
£12.20 ex VAT£14.64 inc UK VAT
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The overdrive solenoid earthing wire NKC67 is an often ignored but very important part of the overdrive operating electrical system. Without it the solenoid will not work. Good electrical contact and continuity must be maintained through this somewhat insignificant wire or an inoperative J type overdrive will be encountered.
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NKC67
In stock
£3.60 ex VAT£4.32 inc UK VAT
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NKC99A
In stock
£1.30 ex VAT£1.56 inc UK VAT
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These may have some surface rust which can be removed with wire wool.
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RTC1953
No longer available
12 month warranty
Worldwide shipping
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"Nice to see someone who cares for spare parts to MG's" Customer Comment
Product Description

Triumph Spitfire Main Case - Solenoid and Fittings - J Type
J Type Overdrives
Important Information
Which Models have J type overdrive?

MkIV Spitfires from FH60001
All MkIVs were fitted with the 3-rail type gearbox.

Spitfire 1500s
All UK spec 1500s were fitted with the single-rail type gearbox. However, because USA specification vehicles had the 1500cc engine sometime before the UK and other export countries. It is possible that there are some re-imported 1500s that have a 3-rail type gearbox fitted as standard.

Are they the same overdrive unit? - No.
Are all the parts interchangeable? - No.
Are the Adaptor Plates the same? - No.
Although outwardly they appear the same (as are the vast majority of components), overdrive units for the 1500 (with single rail gearbox) were fitted with a much improved Oil Pressure Relief Valve system, which cannot be fitted to the original spec. MkIV J type overdrive used on a 3-rail type gearboxes. Also, due to the different gear selector system and gear level mounting, 3-rail type gearboxes and single rail type gearboxes each have their own specific overdrive to gearbox adaptor plate.

Can I fit a 1500 unit to a MkIV?
Should I fit a MkIV unit to a 1500?
Our reconditioned (exchange) J type overdrive units are suitable for both single rail and 3-rail type gearboxes, but you must use the correct gearbox adaptor plate.