Helpdesk code:

BE87E

Shaft Seal, crankshaft

Product number: NB774
ART: NB774 / EAN:

Price incl. vat.
€ 6,88

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Leverdatum: 03-06-2026

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Manufacturer	Model	Version	Engine code	Construction type	Construction start	Construction end	Pk	Power kw
AUSTIN
HONDA
LAND ROVER
MG
ROVER

Manufacturer	Productnumber
AUSTIN	ADU8891
AUSTIN	ADU9154
AUSTIN	AHU2198
AUSTIN	K418AF02
MORRIS	ADU8891
MORRIS	ADU9154
MORRIS	AHU2198
MORRIS	K418AF02
ROVER	RTC5429

Usage numbers
NB774

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Shaft Seal, crankshaft

The Shaft Seal, crankshaft (NB774) seals engine oil at the crankshaft exit point. Replacing it with a Porza-quality seal restores oil retention, engine protection, and long-term reliability.

FAQ

A shaft seal for a crankshaft is a sealing component installed at the front or rear of the crankshaft. Its function is to prevent engine oil from leaking out and to keep contaminants from entering the engine.

Key specifications include inner and outer diameter, thickness, material type (such as NBR or FKM), temperature resistance, and compatibility with the engine. It must withstand rotation, pressure, and exposure to oil.

Replacement is necessary when the seal is worn, hardened, or leaking. Common symptoms include oil leaks at the front or rear of the engine, oil contamination, or reduced engine efficiency.

Porza offers a fit guarantee option where your vehicle details are checked against product specifications to ensure correct compatibility.

Porza provides high-quality sealing components with fast delivery across Europe and options for online ordering or in-store pickup.

If the fit guarantee is selected, compatibility is verified before shipping. If the product does not fit, it can be returned according to the return policy.

Straelseweg 52, 5911 CR
Venlo
The Netherlands

Willem de Rijkelaan 15a, 5616 HH
Eindhoven
The Netherlands

info@porza.nl
085 401 1901
KVK 0123456678
BTW 01NL123435B1

Height ()	7
Inner diameter ()	35
Outer diameter ()	45
Material	fpm (fluoride rubber)
Thickness (mm)	7
Height 1 (mm)	8
Radial shaft seal design	827s rd
Swirl type	right-hand twist
Outer diameter (mm)	45

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