BOLT EXTENSION FAN HUB

Part No:

HB1349

NOT AVAILABLE This part is no longer available

Plastic fan only. NLA Use 128319SH

Various engine fan arrangements were used from TR2-TR4A which broadly fall into two categories, with the TR4A having a third option for plastic fans. The engine in a TR4-4A is further away from the radiator than a TR2-3B which accounts for the different size extensions. Ensure the correct bolt is used with the extension of choice.

TR2-3B
108493 Extension with an effective length of 95mm using bolt 108498
107251 Extension with an effective length of 100mm using bolt 108498.This extension is found on many engines but does not appear in the parts books. As the hub to which it fits is part number 107250 it is logical that it was a correct early fitment, the part number being superceded by 108493 in later parts books.
108498 Bolt with starting handle lugs 140mm long for use with extension 108493 and 107251

TR4
128318 Extension with an effective length of 114mm using bolt 128319
128319 Bolt with starting handle lugs 159mm long (measured from under the head) for use with extension 128318

TR4A with Metal fan
128318 Extension with an effective length of 114mm using bolt 142185
142185 Bolt without starting handle lugs 159mm long (measured from under the head) for use with extension 128318

TR4A with Plastic fan
142121 Extension with an unknown effective length using bolt HB1349
HB1349 Bolt plain without starting handle lugs unknown length for use with extension 142121

Note: - TR2-4A hub extensions have a register of 5.5mm so they all measure this much more overall.

For reference TR250, 5 and 6 extensions 148831 which are not interchangeable are 84mm long with no register and use bolt 148832 which is 103mm long (measured from under the head)

20 plates in total

PLATE A - 83 m.m. and 86 m.m. ENGINE: BLOCK AND HEAD

PLATE B - 83 m.m. and 86 m.m. ENGINE: CRANK, PISTONS CONNECTING RODS AND CAM.

PLATE E - 83 m.m. and 86 m.m. ENGINE: OIL PUMP, INLET AND EXHAUST MANIFOLDS.

PLATE F - 83 m.m. and 86 m.m. ENGINE: BREATHER DETAILS.

PLATE H - 83 m.m. and 86 m.m. ENGINE: OIL FILTER ASSEMBLY. TECALEMIT TYPE.

PLATE J - 83 m.m. and 86 m.m. ENGINE: OIL FILTER ASSEMBLY. PUROLATOR TYPE.

PLATE C - 83 m.m. and 86 m.m. ENGINE: WATER PUMP ASSEMBLY.

PLATE D - 83 m.m. and 86 m.m. ENGINE: WATER THERMOSTAT HOUSING AND HOSES.

PLATE M - 83 m.m. and 86 m.m. ENGINE: DYNAMO MOUNTING AND IGNITION (Not illustrated).

PLATE N - CLUTCH: COVER, PLATE, RELEASE MECHANISM AND SLAVE CYLINDER.

PLATE P - GEARBOX: CASING, TOP COVER AND MOUNTING. Gear lever grommet item P75A

PLATE Q - GEARBOX: MAINSHAFT, CONSTANT PINION SHAFT, COUNTERSHAFT AND REVERSE GEAR.

PLATE BH - OVERDRIVE: OVERDRIVE KIT.

PLATE BJ - OVERDRIVE: OVERDRIVE UNIT DETAILS (Rigid axles only).

PLATE BK - OVERDRIVE: OVERDRIVE UNIT DETAILS (independent rear axles only).

PLATE X - PROPELLOR SHAFT AND ROAD WHEELS.

PLATE U - RIGID REAR AXLE.

PLATE T - INDEPENDENT REAR AXLE: DIFFERENTIAL UNIT, REAR AXLE SHAFTS AND HUB UNITS.

PLATE AG - RADIATOR AND OVERFLOW BOTTLE. TOOLS AND SERVICE KITS (Not illustrated).

PLATE AY - HEATER KIT.

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108498 CLICK FOR MORE INFO	CRANK BOLT TR2-3A 140mm Revington TR information: Use original second hand part number 108498SH Various engine fan arrangements were used from TR2-TR4A which broadly fall into two categories, with the TR4A having a third option for plastic fans. The engine in a TR4-4A... READ MORE		No longer available
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142121 CLICK FOR MORE INFO	EXTENSION FAN HUB Revington TR information: For use with Plastic fan only. Not available new. Use 128318SH Various engine fan arrangements were used from TR2-TR4A which broadly fall into two categories, with the TR4A having a third option for plastic fans. The... READ MORE		No longer available
107251 CLICK FOR MORE INFO	EXTENSION FAN TR2-3B 100mm Revington TR information: use Second Hand part 107251SH Various engine fan arrangements were used from TR2-TR4A which broadly fall into two categories, with the TR4A having a third option for plastic fans. The engine in a TR4-4A is further... READ MORE		No longer available
108493 CLICK FOR MORE INFO	FAN HUB EXT'N TR2-3B 95mm Revington TR information: Consider original second hand part 108493SH Various engine fan arrangements were used from TR2-TR4A which broadly fall into two categories, with the TR4A having a third option for plastic fans. The engine in a TR4-4A is... READ MORE	£54.96 Ex VAT @ 20% £45.80	Available to order
128318 CLICK FOR MORE INFO	FAN HUB EXTN TR4/4A 114mm Revington TR information: Fan hub extension TR4A when metal fan used. Various engine fan arrangements were used from TR2-TR4A which broadly fall into two categories, with the TR4A having a third option for plastic fans. Consider second hand part... READ MORE	£64.51 Ex VAT @ 20% £53.76
142185SH CLICK FOR MORE INFO	Second Hand BOLT CRANK TR4A Revington TR information: This bolt has no starting handle lugs and is not available new. Use this second hand part 142185SH Various engine fan arrangements were used from TR2-TR4A which broadly fall into two categories, with the TR4A having... READ MORE	£20.70 Ex VAT @ 20% £17.25
148832SH	Second Hand BOLT ENGINE EXT Revington TR information: TR250, 5 and 6 extensions 148831 are 84mm long with no register and use bolt 148832SH which is 103mm long (measured from under the head).	£15.95 Ex VAT @ 20% £13.29	Available to order
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142185 CLICK FOR MORE INFO	TR4A CRANK BOLT 159mm Revington TR information: This bolt has no starting handle lugs and is not available new. Use second hand part 142185SH Various engine fan arrangements were used from TR2-TR4A which broadly fall into two categories, with the TR4A having a... READ MORE		No longer available

Car Type	Plate	Plate Title	Plate No.	Triumph Part Description	No per Unit
TR4A	B	83 m.m. and 86 m.m. ENGINE: CRANK, PISTONS CONNECTING RODS AND CAM.	B24	Bolt, extension and fan pulley hub to crankshaft For use with plastic fan assembly only	1

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