Revision as of 03:35, 30 June 2011
Valve stem seals. Datsun 1200 originally use an umbrella type fitted to the intake valves only. Later A-series engines moved to a Lip-seal type that fits over the valve guide (positive seal) and were fitted to all valves.
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Overview
B110 used umbrella seals on intake valves only. B210 used positive seals on all eight valves.
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Part Numbers
A-series valve seals (positive seal type) are the same as the Nissan SD25 engine.
Aftermarket
- Fel-Pro SS27283
- Beck/Arnley 0221446
- Sealed Power MV1796 (Umbrella type)
- Upper Inside Diameter: 0.315
- Overall Length: 0.718
- Inside Length: 0.625
- Seal Outside Diameter: 0.89
- Type: SS
B110
- 13207-18000 SEAL-OIL VALVE (INTAKE ONLY) 8 A12 -672 2 $1.11
- 13207-H2301 SEAL-LIP VALVE OIL (INTAKE ONLY,KEEPER) 4 OP A12
- 13207-H2310 SEAL-LIP,VALVE,OIL (INTAKE ONLY,NOK) 4 OP A12 - $4.62
B310
- 13207-H7200 SEAL-OIL VALVE (8)
- 13207-H7210 SEAL-OIL VALVE (8)
L20B
- 13207-21002 SEAL-OIL,VALVE
- Upper Inside Diameter: 0.27
- Overall Length: 0.56
- Inside Length: 0.35
- Seal Outside Diameter: 0.64
- Type: TP
The lip-seal type is different for A-series and L-series. This is the type that fits over the valve guide. It is the "normal" type for L20B, is the same as Chevy 4, Isuzu, KA, VG and L-series.