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12G4270L - Bolt – 5/16" UNF x 3-1/4"

Original price - Original price €4,80
Original price
€4,80
€4,80 - €4,80
Current price €4,80
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Genuine Part
Genuine: Original manufacturer part. This product is the original part designed and produced by the vehicle manufacturer.
Bolt - an imperial hexagon-head bolt with a 5/16" UNF thread and a 3-1/4" shank length.

This long-shank bolt is used at the alternator mounting on 2.25L four-cylinder engine applications, passing through the alternator bracket and adjustment points. Like other fixings on these engines it uses a Unified National Fine (UNF) imperial thread and is tightened to the torque specified at the joint.
Vehicle Model Land Rover Defender up to 2016
Land Rover Series 2 and 3
Fitment Notes DEFENDER 1987-2006 — Alternator fixings, 2.25L 4 Cyl Petrol
SERIES II/IIA 1958-1971 — 2.25 Petrol engine
SERIES IIA 1961-1971 — 2.25 Diesel engine
Alternative Codes
BH605261L12G4270L256031

In stock 25 units
21 · Gouda 4 · Drachten
Express delivery available

When will my order arrive?
  • Order before 15:00 (Mon–Fri): same-day dispatch for in-stock items.
  • UPS Express (order before 14:00): dispatched today, delivered tomorrow where available.
  • Netherlands / Belgium / Germany: 2–4 working days.
  • Other EU countries + UK: 4–8 working days.
  • Outside EU/UK: delivery times vary — contact us for an estimate.

Items may ship from multiple warehouses at no extra cost.

Job kits containing this part

This part is included in 0 job kit(s) below. Pick the kit that matches your vehicle and job, then add what you need.

Frequently asked questions

What is the 5/16" UNF x 3-1/4" bolt used for?
The 5/16" UNF x 3-1/4" bolt is a long-shank imperial fixing used at the alternator mounting on the 2.25L four-cylinder engine. It passes through the alternator bracket and adjustment points and uses a Unified National Fine (UNF) imperial thread.
Which Land Rovers use this alternator bolt?
This alternator bolt is listed for the Defender 1987-2006 with the 2.25L four-cylinder petrol engine, and the Series II and IIA (1958-1971). It mounts the alternator to its bracket, so confirm your engine matches before ordering.
Is there an aftermarket version of this bolt?
No, this bolt is supplied as a genuine Land Rover part (LR number 12G4270L) and isn't produced as an aftermarket equivalent. If you need the correct long-shank alternator fixing for the 2.25L engine, this is the genuine item.