1975 Triumph TR6 Engine Parts

This table covers the bearings in the connecting-rod big ends. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

This group shows a single part: ITM ENGINE COMPONENTS 6B2406.

This table covers lower / conversion gasket sets for oil-pan and related joints. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

This group shows a single part: ITM ENGINE COMPONENTS 0925601.

This table covers the main bearings that support the crankshaft in the block. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

One part is listed for the 1975 Triumph TR6 — ITM ENGINE COMPONENTS 4M2407.

This table covers the gaskets that seal the Crankshaft Main Bearing. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

This group shows a single part: NATIONAL 99287.

This table covers the sleeves used to restore a grooved crankshaft seal surface. Read more

6 Crankshaft Repair Sleeve parts are listed for the 1975 Triumph TR6, from TIMKEN, SCHAEFFLER, NATIONAL and 1 other brand. TIMKEN KWK99199 carries the "Popular" badge.

Part numbers include TIMKEN KWK99199, TIMKEN KWK99287 and NATIONAL 99199, among others listed above.

This table covers the front and rear seals that keep oil in at the crankshaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

8 Crankshaft Seal parts are listed for the 1975 Triumph TR6, from SCHAEFFLER, TIMKEN, ITM ENGINE COMPONENTS and 3 other brands. ITM ENGINE COMPONENTS 1504013 carries the "Popular" badge.

Part numbers include ITM ENGINE COMPONENTS 1504013, NATIONAL 472397 and BCA NS472397, among others listed above.

This table covers the head gaskets that seal the block to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

This group shows a single part: ITM ENGINE COMPONENTS 0945603.

This table covers multi-piece gasket sets for a cylinder-head job. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

This group shows a single part: ITM ENGINE COMPONENTS 0915617.

This table covers the exhaust valves that let combustion gas out of the cylinder. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one. Read more

One part is listed for the 1975 Triumph TR6 — ITM ENGINE COMPONENTS RX34657.

This table covers the Expansion plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes. Read more

6 Expansion Plug parts for the 1975 Triumph TR6 come from 2 brands — PIONEER and MELLING. The "Popular" part is MELLING MPE156BR.

Listed part numbers: MELLING MPE156BR, MELLING MPE156R and PIONEER EP8, plus the other parts above.

This table covers the intake valves that let air (and fuel, on port-injected engines) into the cylinder. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one. Read more

One part is listed for the 1975 Triumph TR6 — ITM ENGINE COMPONENTS RV34333.

This table covers the oil filters that screw onto this engine's filter mount. Typical signs include low oil pressure after a service, or a filter that will not spin off because the old gasket stayed on the block. Lube the new gasket and tighten to the spec on the box; a double-gasket install dumps the sump on the first drive. Read more

5 Oil Filter parts are listed for the 1975 Triumph TR6, from PUROLATOR, WIX, HASTINGS / BALDWIN and 2 other brands. WIX 51313 carries the "Popular" badge.

In the Economy grade, PUROLATOR supplies 1 part: the catalog's value-priced group. A representative part number is PUROLATOR L10222.

The Standard Replacement section lists 4 options from WIX, HASTINGS / BALDWIN, MAHLE / CLEVITE and 1 other brand — built to original-equipment specification. WIX 51313 is listed in this group.

This group includes WIX 51313, PUROLATOR L10222 and HASTINGS / BALDWIN LF338 and the remaining parts above.

This table covers the gaskets between the oil pan and the block. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

One part is listed for the 1975 Triumph TR6 — ITM ENGINE COMPONENTS 0995602.

This table covers the Oil pumps. Typical signs include noise from the pump, no pressure, or fluid that never arrives at the outlet. Prime or fill the pump as the notes require. A dry start is a common way to kill a new unit. Read more

One part is listed for the 1975 Triumph TR6 — ITM ENGINE COMPONENTS 057320.

This table covers the pistons that travel in each cylinder. Typical signs include knock, blow-by, or a cylinder that will not hold compression. Piston work is a short-block job. Match bore, pin and ring pack in the notes — not the photo. Read more

This group shows a single part: ITM ENGINE COMPONENTS RY6352.

This table covers the Piston Pin bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles. Read more

One part is listed for the 1975 Triumph TR6 — ITM ENGINE COMPONENTS RB890.

This table covers the rings that seal each piston to the cylinder wall. Read more

5 Piston Ring parts for the 1975 Triumph TR6 come from 2 brands — HASTINGS MANUFACTURING and ITM ENGINE COMPONENTS. The "Popular" part is HASTINGS MANUFACTURING 6817.

This group includes HASTINGS MANUFACTURING 6817, HASTINGS MANUFACTURING 2C6817 and HASTINGS MANUFACTURING 2C6817S and the remaining parts above.

This table covers the Thrust washers. Read more

One part is listed for the 1975 Triumph TR6 — ITM ENGINE COMPONENTS 1T2407.

This table covers the Timing Belt pulleys. Typical signs include a growl or chirp that follows engine speed, or a pulley that will not spin freely by hand. Spin each pulley with the belt off. Roughness or play means replace it with the belt. Read more

BECK/ARNLEY supplies both parts for the 1975 Triumph TR6.

This group includes BECK/ARNLEY 0513860 and BECK/ARNLEY 0513954.

This table covers the timing chains that keep the cams in time with the crank. Read more

2 Timing Chain parts for the 1975 Triumph TR6 come from 2 brands — INA and S.A. GEAR.

This group includes INA ZC3DR62 and S.A. GEAR 3DR62.

This table covers the wear sleeves used to restore a Timing Cover seal surface. Read more

One part is listed for the 1975 Triumph TR6 — SKF 99199.

This table covers the seals at the Timing Cover. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

2 Timing Cover Seal parts are listed for the 1975 Triumph TR6, from ITM ENGINE COMPONENTS and SKF.

This group includes ITM ENGINE COMPONENTS 1505601 and SKF 19993.

This table covers the gaskets that seal the valve cover to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

5 Valve Cover Gasket parts are listed for the 1975 Triumph TR6, from ITM ENGINE COMPONENTS, FEL-PRO, MAHLE / CLEVITE and 1 other brand. FEL-PRO VS26040 carries the "Popular" badge.

Listed part numbers: FEL-PRO VS26040, ITM ENGINE COMPONENTS 0935601 and ITM ENGINE COMPONENTS 0955603, plus the other parts above.

This table covers the pressed-in bronze and cast-iron guides that align valve stems. Typical signs include oil smoke on startup, a guide that has gone oval, or a valve that no longer seats quietly. Guides are a machine-shop fit. Confirm stem diameter in the notes before ordering. Read more

ITM ENGINE COMPONENTS supplies the 4 Valve Guide parts for the 1975 Triumph TR6.

Listed part numbers: ITM ENGINE COMPONENTS VG174CI, ITM ENGINE COMPONENTS VG538CI and ITM ENGINE COMPONENTS VG174BR, plus the other parts above.

This table covers the lifters / tappets that transfer cam motion to the valves. Read more

One part is listed for the 1975 Triumph TR6 — ITM ENGINE COMPONENTS 0565021.

This table covers the springs that close each intake and exhaust valve. Typical signs include a sagging corner, a broken coil, or a clunk from the spring pocket. Replace springs in axle pairs and inspect the seats. Read more

2 Valve Spring parts for the 1975 Triumph TR6 come from ITM ENGINE COMPONENTS.

This group includes ITM ENGINE COMPONENTS VS1176 and ITM ENGINE COMPONENTS VS1426.

This table covers the Valve Spring retainers. Read more

This group shows a single part: ITM ENGINE COMPONENTS 051309.

This table covers the Valve Spring shims. Read more

One part is listed for the 1975 Triumph TR6 — PIONEER B106.