1981 Saab 900 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 4B9023.

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

2 Conversion / Lower Gasket Set parts for the 1981 Saab 900 come from 2 brands — AJUSA and ITM ENGINE COMPONENTS.

Listed part numbers: AJUSA 54050400 and ITM ENGINE COMPONENTS 0929102.

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 1981 Saab 900 — ITM ENGINE COMPONENTS 5M9144.

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

6 Crankshaft Repair Sleeve parts are listed for the 1981 Saab 900, from NATIONAL, WJB / INMOTION PARTS and BCA. NATIONAL 99363 carries the "Popular" badge.

Listed part numbers: NATIONAL 99363, WJB / INMOTION PARTS WS99189 and BCA NS99189, plus the other parts 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

9 Crankshaft Seal parts are listed for the 1981 Saab 900, from ELRING, VICTOR REINZ, NATIONAL and 4 other brands. ELRING 330965 carries the "Popular" badge.

This group includes ELRING 330965, NATIONAL 3772 and BCA NS3772 and the remaining parts above.

This table covers the Crankshaft Thrust washers. Read more

This group shows a single part: ITM ENGINE COMPONENTS 1T9127.

This table covers the bolts that clamp the cylinder head to the block. Read more

2 Cylinder Head Bolt parts for the 1981 Saab 900 come from 2 brands — AJUSA and VICTOR REINZ.

Part numbers include AJUSA 81011900 and VICTOR REINZ 143222701.

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

4 Cylinder Head Gasket parts for the 1981 Saab 900 come from 4 brands — AJUSA, BECK/ARNLEY, ITM ENGINE COMPONENTS and 1 other brand.

This group includes AJUSA 10033400, BECK/ARNLEY 0351717 and ITM ENGINE COMPONENTS 0949110 and the remaining parts above.

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

2 Cylinder Head Gasket Set parts for the 1981 Saab 900 come from 2 brands — AJUSA and ITM ENGINE COMPONENTS.

Listed part numbers: AJUSA 52078700 and ITM ENGINE COMPONENTS 0919110.

This table covers the Cylinder Head 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

One part is listed for the 1981 Saab 900 — DORMAN 570006.

This table covers the block heaters that warm the coolant or oil in cold weather. Read more

One part is listed for the 1981 Saab 900 — KAT'S HEATERS 11438.

This table covers full gasket kits covering the joints opened in an engine rebuild. 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: AJUSA 50089500.

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 1981 Saab 900 — ITM ENGINE COMPONENTS RX9154.

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

This group shows a single part: DORMAN 555068.

This table covers the crankshaft pulleys / harmonic balancers at the front of the engine. Read more

6 Harmonic Balancer parts for the 1981 Saab 900 come from 4 brands — DAYCO, PIONEER, ATP and 1 other brand. The "Popular" part is DAYCO PB1327N.

Part numbers include DAYCO PB1327N, DAYCO PB1338N and ATP 102092, among others listed above.

This table covers the gaskets between the intake manifold and 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 Intake Manifold Gasket parts for the 1981 Saab 900 come from 4 brands — PROFESSIONAL PARTS SWEDEN, AJUSA, ITM ENGINE COMPONENTS and 1 other brand. The "Popular" part is PROFESSIONAL PARTS SWEDEN 61345208.

Part numbers include PROFESSIONAL PARTS SWEDEN 61345208, AJUSA 13053100 and ITM ENGINE COMPONENTS 0959124, among others listed above.

This table covers the mounts that hold the engine to the chassis. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes. Read more

DEA / MARMON RIDE CONTROL supplies both parts for the 1981 Saab 900.

Listed part numbers: DEA / MARMON RIDE CONTROL A7038 and DEA / MARMON RIDE CONTROL A7040.

This table covers the engine oils listed by grade and specification for this engine. Typical signs include a low-oil lamp, knocking after a long interval, or oil that has gone thin and black well before the next service. Match the viscosity and spec in the notes (and on the filler cap). The tables group grades — they are not interchangeable. Read more

15 Oil parts are listed for the 1981 Saab 900, from MOBIL and VALVOLINE. MOBIL 125195 carries the "Popular" badge.

In the Full Synthetic grade, MOBIL and VALVOLINE supply 7 parts: full-synthetic oils. A representative part number is MOBIL 125195.

The High Mileage (>75,000 Miles) section lists 6 options from MOBIL and VALVOLINE — oils grouped for high-mileage engines. MOBIL 125201 is listed in this group.

In the Synthetic Blend grade, MOBIL supplies 2 parts: synthetic-blend oils. A representative part number is MOBIL 124406.

This table covers the drain plugs in the oil pan. Read more

9 Oil Drain Plug parts are listed for the 1981 Saab 900, from DORMAN, AGS, ELRING and 1 other brand. DORMAN 090033 carries the "Popular" badge.

The Piggyback section lists 1 option from DORMAN — grouped under the catalog's "Piggyback" designation — the notes column spells out what sets them apart. DORMAN 65229 is listed in this group.

The Twist Drain section lists 1 option from DORMAN — grouped under the catalog's "Twist Drain" designation — the notes column spells out what sets them apart. DORMAN 092020 is listed in this group.

The Universal section lists 1 option from DORMAN — grouped under the catalog's "Universal" designation — the notes column spells out what sets them apart. DORMAN 65102 is listed in this group.

6 ungrouped parts are not assigned to a grade, with the same engine-level match.

Listed part numbers: DORMAN 090033, DORMAN 65229 and DORMAN 092020, plus the other parts above.

This table covers the crush washers and gaskets under the oil drain plug. 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

2 Oil Drain Plug Gasket parts for the 1981 Saab 900 come from 2 brands — AJUSA and DORMAN.

Listed part numbers: AJUSA 21012200 and DORMAN 097135.

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

17 Oil Filter parts are listed for the 1981 Saab 900, from BOSCH, VARIOUS MFR, WIX and 10 other brands. WIX 51348XP carries the "Popular" badge.

In the Economy grade, BOSCH, FRAM, FVP and 3 other brands supply 6 parts: the catalog's value-priced group. A representative part number is BOSCH 72161WS.

In the High Performance / Heavy Duty grade, WIX and MOBIL supply 2 parts: grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. A representative part number is WIX 51348XP.

The Standard Replacement section lists 9 options from MOTORCRAFT, DENSO, WIX and 5 other brands — built to original-equipment specification. DENSO 1502010 is listed in this group.

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

4 Oil Pan Gasket parts are listed for the 1981 Saab 900, from AJUSA, ELRING, FEL-PRO and 1 other brand.

This group includes AJUSA 14031200, ELRING 514943 and FEL-PRO OS30659 and the remaining parts above.

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 1981 Saab 900 — ITM ENGINE COMPONENTS RB4519.

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

This group shows a single part: ITM ENGINE COMPONENTS 0216340.

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

2 Timing Chain parts for the 1981 Saab 900 come from 2 brands — PROFESSIONAL PARTS SWEDEN and ITM ENGINE COMPONENTS.

The Economy section: 1 option from PROFESSIONAL PARTS SWEDEN. PROFESSIONAL PARTS SWEDEN 21349779 is listed in this group.

Standard Replacement: 1 part, from ITM ENGINE COMPONENTS. A representative part number is ITM ENGINE COMPONENTS 13108.

This group includes PROFESSIONAL PARTS SWEDEN 21349779 and ITM ENGINE COMPONENTS 13108.

This table covers the guides and dampers that keep the timing chain on its path. Read more

This group shows a single part: ITM ENGINE COMPONENTS 70102.

This table covers the tensioners that keep the timing chain taut. Typical signs include belt flutter, a chirp that returns after a new belt, or an arm that no longer damps. Replace the tensioner with the belt at higher mileage. Read more

One part is listed for the 1981 Saab 900 — ITM ENGINE COMPONENTS 60145.

This table covers the gaskets that seal the Timing Cover. 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 1981 Saab 900 — CORTECO 14329.

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

One part is listed for the 1981 Saab 900 — SCHAEFFLER SR3503.

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

6 Valve Cover Gasket parts are listed for the 1981 Saab 900, from PROFESSIONAL PARTS SWEDEN, VICTOR REINZ, AJUSA and 1 other brand. PROFESSIONAL PARTS SWEDEN 21345991 carries the "Popular" badge.

Part numbers include PROFESSIONAL PARTS SWEDEN 21345991, VICTOR REINZ 711300800 and AJUSA 11021700, among others listed 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

One part is listed for the 1981 Saab 900 — ITM ENGINE COMPONENTS VG964BR.

This table covers the Valve seats. Read more

4 Valve Seat parts for the 1981 Saab 900 come from 3 brands — SBI, DURA-BOND and QUALCAST.

Part numbers include DURA-BOND 31715, QUALCAST 21175065 and SBI SB150070, among others listed above.

This table covers the Valve Spring retainers. Read more

This group shows a single part: ITM ENGINE COMPONENTS 051124.

This table covers the seals on each valve stem that control oil into the guides. 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

4 Valve Stem Seal parts are listed for the 1981 Saab 900, from QUALCAST and SBI.

Part numbers include QUALCAST 3896455, QUALCAST 3893845 and SBI 1221086, among others listed above.