FRC4586 - Differential Pinion Oil Seal

- €2,10

€2,10

€2,10 - €2,10

€2,10

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Aftermarket: Quality alternative. This is a quality alternative, designed to fit and function like the original part, often at a more competitive price.

Differential Pinion Oil Seal for the axle differential housing.

This oil seal fits around the pinion flange where the propshaft coupling connects, sealing the pinion shaft where it exits the differential housing and preventing differential oil from leaking past the flange face. Replacement is typically required when the seal lips harden or wear, resulting in an oil leak at the pinion flange. The seal is accessible after removing the propshaft, releasing and extracting the drive flange, and pressing the worn seal from its housing bore.

Vehicle Model Land Rover Defender up to 2016
Range Rover Classic up to 1994
Land Rover Series 1
Land Rover Series 2 and 3

Fitment Notes SERIES I 1948-1958 — Differential pinion oil seal
SERIES II / IIA / III 1958-1985 — Differential pinion oil seal
DEFENDER 1983-2006 — Differential pinion oil seal, Defender 90 only, to axle 22S08283B
RANGE ROVER CLASSIC 1970-1985 — Differential pinion oil seal

Alternative Codes

FRC4586217507561360BR 0668FRC4785

In stock 53 units

32 · Gouda 21 · 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 FRC4586 pinion oil seal and where does it sit on the axle?

FRC4586 is a differential pinion oil seal that seals the pinion shaft where it exits the differential housing at the propshaft flange coupling. It's fitted to Series I, II, IIA, III differentials, Defender 90 up to axle number 22S08283B, and Range Rover Classic up to 1985.

What causes the differential pinion seal to fail and what happens if it's ignored?

Pinion oil seals typically fail as the rubber lip hardens and loses contact with the rotating flange. The main symptom is oil weeping around the propshaft coupling. Left unrepaired, differential oil level drops and eventually causes bearing and gear damage inside the differential.

Is FRC4586 suitable for all Defender models?

No. On the Defender, FRC4586 fits Defender 90 only, up to axle number 22S08283B. It doesn't fit the Defender 110 or 130. Cross-references include BR 0668, 217507, and FRC4785.