1990 Saab 900 Engine Parts

This table covers the chains that drive the balance shafts. Read more

This group shows a single part: PROFESSIONAL PARTS SWEDEN 21345105.

This table covers the camshafts that open the valves. Read more

3 Camshaft parts for the 1990 Saab 900 come from AJUSA.

This group includes AJUSA 93036900, AJUSA 93037000 and AJUSA 93037900.

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

2 Connecting Rod Bearing parts for the 1990 Saab 900 come from 2 brands — ITM ENGINE COMPONENTS and PROFESSIONAL PARTS SWEDEN.

Part numbers include ITM ENGINE COMPONENTS 4B9023 and PROFESSIONAL PARTS SWEDEN 21347650.

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 1990 Saab 900 come from 2 brands — AJUSA and APEX.

Part numbers include AJUSA 54053800 and APEX ACS9023.

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 1990 Saab 900 — ITM ENGINE COMPONENTS 5M9144.

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

9 Crankshaft Repair Sleeve parts are listed for the 1990 Saab 900, from SCHAEFFLER, BCA, NATIONAL and 2 other brands. SCHAEFFLER SR3506 carries the "Popular" badge.

Listed part numbers: SCHAEFFLER SR3506, TIMKEN KWK99187 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

17 Crankshaft Seal parts are listed for the 1990 Saab 900, from ELRING, TIMKEN, PROFESSIONAL PARTS SWEDEN and 9 other brands. ELRING 330965 carries the "Popular" badge.

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

3 Cylinder Head Bolt parts for the 1990 Saab 900 come from 3 brands — AJUSA, ELRING and VICTOR REINZ.

This group includes AJUSA 81012000, ELRING 221280 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

6 Cylinder Head Gasket parts for the 1990 Saab 900 come from 6 brands — APEX, ELRING, AJUSA and 3 other brands. The "Popular" part is APEX AHG923.

Listed part numbers: APEX AHG923, ELRING 586598 and AJUSA 10032400, plus the other 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

5 Cylinder Head Gasket Set parts for the 1990 Saab 900 come from 4 brands — VICTOR REINZ, APEX, ELRING and 1 other brand. The "Popular" part is APEX AHS9023.

Part numbers include APEX AHS9023, ELRING 894258 and MAHLE / CLEVITE HS5827, among others listed above.

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 1990 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 1990 Saab 900 — KAT'S HEATERS 11437.

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 50107100.

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

2 Exhaust Valve parts are listed for the 1990 Saab 900, from ITM ENGINE COMPONENTS and PROFESSIONAL PARTS SWEDEN.

Listed part numbers: ITM ENGINE COMPONENTS RX9465 and PROFESSIONAL PARTS SWEDEN 21341767.

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

4 Harmonic Balancer parts for the 1990 Saab 900 come from 4 brands — ATP, DAYCO, DORMAN and 1 other brand.

This group includes ATP 102093, DAYCO PB1424N and DORMAN 594822 and the remaining parts 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

6 Intake Manifold Gasket parts for the 1990 Saab 900 come from 5 brands — PROFESSIONAL PARTS SWEDEN, APEX, AJUSA and 2 other brands. The "Popular" part is APEX AMS9230.

Listed part numbers: APEX AMS9230, PROFESSIONAL PARTS SWEDEN 61345208 and AJUSA 13051600, 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 1990 Saab 900 — ITM ENGINE COMPONENTS RV9465.

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

8 Motor Mount parts are listed for the 1990 Saab 900, from PROFESSIONAL PARTS SWEDEN, DEA / MARMON RIDE CONTROL and WESTAR. PROFESSIONAL PARTS SWEDEN 62345668 carries the "Popular" badge.

In the Economy grade, PROFESSIONAL PARTS SWEDEN supplies 4 parts: the catalog's value-priced group. A representative part number is PROFESSIONAL PARTS SWEDEN 62345668.

The Standard Replacement section lists 4 options from DEA / MARMON RIDE CONTROL and WESTAR — built to original-equipment specification. DEA / MARMON RIDE CONTROL A7041 is listed in this group.

This group includes PROFESSIONAL PARTS SWEDEN 62345668, PROFESSIONAL PARTS SWEDEN 62345650 and PROFESSIONAL PARTS SWEDEN 62343408 and the remaining parts above.

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

17 Oil parts are listed for the 1990 Saab 900, from MOBIL, VALVOLINE and IDEMITSU. 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 Racing grade, IDEMITSU supplies 2 parts: grouped under the catalog's "Racing" designation — the notes column spells out what sets them apart. A representative part number is IDEMITSU 30018100750.

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

This table covers the Oil Cooler Bypass valves. 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 1990 Saab 900 — PROFESSIONAL PARTS SWEDEN 87343706.

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

9 Oil Drain Plug parts are listed for the 1990 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.

Part numbers include DORMAN 090033, DORMAN 65229 and DORMAN 092020, among others listed 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

This group shows a single part: 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

19 Oil Filter parts are listed for the 1990 Saab 900, from BOSCH, PROFESSIONAL PARTS SWEDEN, VARIOUS MFR and 11 other brands. WIX 51348XP carries the "Popular" badge.

Economy: 7 parts, from PROFESSIONAL PARTS SWEDEN, BOSCH, FRAM and 3 other brands. 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: 10 options from MOTORCRAFT, DENSO, WIX and 6 other brands. 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 1990 Saab 900, from APEX, ELRING, FEL-PRO and 1 other brand.

Listed part numbers: APEX AOP923, ELRING 514943 and FEL-PRO OS30659, plus the other parts above.

This table covers the Oil Pump Drive gears. Read more

This group shows a single part: PROFESSIONAL PARTS SWEDEN 21341779.

This table covers the gaskets that seal the Oil Pump. 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: PROFESSIONAL PARTS SWEDEN 21345824.

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 1990 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 Cam sprockets. Read more

One part is listed for the 1990 Saab 900 — PROFESSIONAL PARTS SWEDEN 21340127.

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

This group shows a single part: PROFESSIONAL PARTS SWEDEN 21340697.

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

2 Timing Chain Guide / Damper parts for the 1990 Saab 900 come from PROFESSIONAL PARTS SWEDEN.

This group includes PROFESSIONAL PARTS SWEDEN 21349324 and PROFESSIONAL PARTS SWEDEN 21343505.

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 1990 Saab 900 — PROFESSIONAL PARTS SWEDEN 21345086.

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

2 Timing Cover Repair Sleeve parts are listed for the 1990 Saab 900, from SCHAEFFLER and SKF.

Part numbers include SCHAEFFLER SR3503 and SKF 99184.

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

One part is listed for the 1990 Saab 900 — SKF 18508.

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

11 Valve Cover Gasket parts are listed for the 1990 Saab 900, from PROFESSIONAL PARTS SWEDEN, ELRING, FEL-PRO and 7 other brands. ELRING 892930 carries the "Popular" badge.

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 both parts for the 1990 Saab 900.

Listed part numbers: ITM ENGINE COMPONENTS VG1012CI and ITM ENGINE COMPONENTS VG1012BR.

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

3 Valve Lifter parts are listed for the 1990 Saab 900, from PROFESSIONAL PARTS SWEDEN, AJUSA and ITM ENGINE COMPONENTS.

Economy: 1 part, from PROFESSIONAL PARTS SWEDEN. A representative part number is PROFESSIONAL PARTS SWEDEN 21347388.

The Standard Replacement section: 2 options from AJUSA and ITM ENGINE COMPONENTS. AJUSA 85011400 is listed in this group.

Listed part numbers: PROFESSIONAL PARTS SWEDEN 21347388, AJUSA 85011400 and ITM ENGINE COMPONENTS 0565069.

This table covers the Valve seats. Read more

3 Valve Seat parts for the 1990 Saab 900 come from QUALCAST.

Part numbers include QUALCAST 21175065, QUALCAST 21137551 and QUALCAST 21131268.

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

10 Valve Stem Seal parts are listed for the 1990 Saab 900, from ELRING, APEX, QUALCAST and 4 other brands. ELRING 701289 carries the "Popular" badge.