2005 Cadillac CTS Engine Parts

This table covers the Camshaft Alignment tools. This is a service tool, not a wear part — match the application in the notes. Read more

This group shows a single part: LISLE 37530.

This table covers the seals at each camshaft end. 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

This group shows a single part: GM GENUINE 12574477.

This table covers the connecting rods between each piston and the crankshaft. Read more

3 Connecting Rod parts are listed for the 2005 Cadillac CTS, from ENGINETECH and GM GENUINE.

Listed part numbers: ENGINETECH ECR327, ENGINETECH ECR328 and GM GENUINE 12608432.

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

10 Connecting Rod Bearing parts are listed for the 2005 Cadillac CTS, from MAHLE / CLEVITE, KING ENGINE BEARINGS, SEALED POWER and 1 other brand. MAHLE / CLEVITE CB1877A carries the "Popular" badge.

In the High Performance grade, KING ENGINE BEARINGS supplies 2 parts: engineered beyond original-equipment specification. A representative part number is KING ENGINE BEARINGS CR6826XPX.

The Standard Replacement section lists 8 options from MAHLE / CLEVITE, SEALED POWER, GM GENUINE and 1 other brand — built to original-equipment specification. MAHLE / CLEVITE CB1877A is listed in this group.

This table covers the Connecting Rod bolts. Read more

This group shows a single part: GM GENUINE 11519680.

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

9 Conversion / Lower Gasket Set parts are listed for the 2005 Cadillac CTS, from ENGINETECH, FEL-PRO, AJUSA and 6 other brands. ENGINETECH GM217CSA carries the "Popular" badge.

Listed part numbers: ENGINETECH GM217CSA, FEL-PRO CS263761 and AJUSA 54277700, plus the other parts above.

This table covers the crankshafts that turn piston motion into rotation. Read more

2 Crankshaft parts are listed for the 2005 Cadillac CTS, from ENGINETECH and GM GENUINE.

Part numbers include ENGINETECH 112950 and GM GENUINE 12623074.

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

6 Crankshaft Main Bearing parts for the 2005 Cadillac CTS come from 5 brands — GM GENUINE, KING ENGINE BEARINGS, MAHLE / CLEVITE and 2 other brands. The "Popular" part is KING ENGINE BEARINGS MB4272SI.

This group includes KING ENGINE BEARINGS MB4272SI, MAHLE / CLEVITE MS2276A and ENGINETECH BC130J and the remaining parts above.

This table covers the Crankshaft Main Bearing Cap bolts. Read more

One part is listed for the 2005 Cadillac CTS — GM GENUINE 12560272.

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

3 Crankshaft Repair Sleeve parts for the 2005 Cadillac CTS come from 3 brands — BCA, NATIONAL and WJB / INMOTION PARTS.

Part numbers include BCA NS99166, NATIONAL 99166 and WJB / INMOTION PARTS WS99166.

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

13 Crankshaft Seal parts for the 2005 Cadillac CTS come from 9 brands — GM GENUINE, NATIONAL, ELRING and 6 other brands. The "Popular" part is FEL-PRO BS40711.

This table covers the gaskets that seal the Crankshaft Seal. 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 2005 Cadillac CTS — ELRING 966530.

This table covers the cylinder heads that close the top of the block. Read more

This group shows a single part: GM GENUINE 19259022.

This table covers the Cylinder Head Alignment Dowel pins. Read more

One part is listed for the 2005 Cadillac CTS — GM GENUINE 12570326.

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

11 Cylinder Head Bolt parts are listed for the 2005 Cadillac CTS, from VICTOR REINZ, FEL-PRO, SKP and 4 other brands. ENGINETECH HB258 carries the "Popular" badge.

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

14 Cylinder Head Gasket parts are listed for the 2005 Cadillac CTS, from GM GENUINE, APEX, ELRING and 5 other brands. GM GENUINE 12634479 carries the "Popular" badge.

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

6 Cylinder Head Gasket Set parts are listed for the 2005 Cadillac CTS, from FEL-PRO, ENGINETECH, APEX and 2 other brands. ENGINETECH GM217HSMWB carries the "Popular" badge.

Part numbers include ENGINETECH GM217HSMWB, FEL-PRO HS26376PT and APEX AHS11064, among others listed above.

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

3 Engine Block Heater parts for the 2005 Cadillac CTS come from 2 brands — KAT'S HEATERS and GM GENUINE.

This group includes GM GENUINE 12587380, KAT'S HEATERS 28811 and KAT'S HEATERS 11811.

This table covers the Engine covers. Read more

One part is listed for the 2005 Cadillac CTS — TECHPRO GM1228140.

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

2 Engine Kit Gasket Set parts are listed for the 2005 Cadillac CTS, from AJUSA and ENGINETECH.

This group includes AJUSA 50551300 and ENGINETECH GM217K1.

This table covers the Engine rebuild kits. Read more

One part is listed for the 2005 Cadillac CTS — ENGINETECH RCGM217P.

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

5 Exhaust Valve parts for the 2005 Cadillac CTS come from 5 brands — MELLING, ENGINETECH, GM GENUINE and 2 other brands. The "Popular" part is MELLING V3082.

This group includes MELLING V3082, ENGINETECH V4431 and GM GENUINE 12575354 and the remaining parts above.

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

3 Expansion Plug parts are listed for the 2005 Cadillac CTS, from DORMAN and MELLING.

Part numbers include DORMAN 555104, DORMAN 565104 and MELLING MPE850R.

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

4 Harmonic Balancer parts are listed for the 2005 Cadillac CTS, from ATP, DORMAN, GM GENUINE and 1 other brand.

Listed part numbers: ATP 102209, DORMAN 594452 and GM GENUINE 12597654, plus the other parts above.

This table covers the Harmonic Balancer bolts. Read more

2 Harmonic Balancer Bolt parts for the 2005 Cadillac CTS come from 2 brands — DORMAN and GM GENUINE.

Part numbers include DORMAN 595005 and GM GENUINE 11549124.

This table covers the Intake manifolds. Typical signs include an exhaust tick, a vacuum leak, or a gasket that has burned through. Replace the gaskets and hardware; a warped flange will leak with a new gasket alone. Read more

This group shows a single part: GM GENUINE 12705324.

This table covers the Intake Manifold bolts. Read more

One part is listed for the 2005 Cadillac CTS — GM GENUINE 11588733.

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 are listed for the 2005 Cadillac CTS, from FEL-PRO, APEX, GM GENUINE and 2 other brands. FEL-PRO MS96969 carries the "Popular" badge.

Listed part numbers: FEL-PRO MS96969, APEX AMS11644 and GM GENUINE 12598158, plus the other parts above.

This table covers the gaskets that seal the Intake Plenum. 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 Plenum Gasket parts for the 2005 Cadillac CTS come from 6 brands — FEL-PRO, ULTRA-POWER, APEX and 3 other brands. The "Popular" part is FEL-PRO MS96976.

Listed part numbers: FEL-PRO MS96976 and APEX AMS11643, 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

5 Intake Valve parts for the 2005 Cadillac CTS come from 5 brands — GM GENUINE, ENGINETECH, MELLING and 2 other brands. The "Popular" part is GM GENUINE 12575351.

This group includes GM GENUINE 12575351, ENGINETECH V4432 and MELLING V3081 and the remaining parts 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

6 Motor Mount parts for the 2005 Cadillac CTS come from 5 brands — PIONEER, SKP, ANCHOR and 2 other brands. The "Popular" part is SKP SKM3149.

The Economy section lists 1 option from SKP — the catalog's value-priced group. SKP SKM3149 is listed in this group.

Standard Replacement: 5 parts, from PIONEER, ANCHOR, DEA / MARMON RIDE CONTROL and 1 other brand. A representative part number is ANCHOR 3149.

Part numbers include SKP SKM3149, ANCHOR 3149 and DEA / MARMON RIDE CONTROL A5722, among others listed above.

This table covers the Motor Mount kits. Read more

This group shows a single part: ANCHOR 300509.

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

24 Oil parts for the 2005 Cadillac CTS come from 6 brands — VALVOLINE, MOBIL, LIQUI MOLY and 3 other brands. The "Popular" part is LIQUI MOLY 20228.

The Full Synthetic section lists 18 options from LIQUI MOLY, VALVOLINE, MOBIL and 3 other brands — full-synthetic oils. LIQUI MOLY 20228 is listed in this group.

In the High Mileage (>75,000 Miles) grade, MOBIL and VALVOLINE supply 4 parts: oils grouped for high-mileage engines. A representative part number is MOBIL 123842.

The Synthetic Blend section lists 2 options from VALVOLINE — synthetic-blend oils. VALVOLINE 797975 is listed in this group.

This table covers the Oil Dipstick tubes. Read more

3 Oil Dipstick / Tube parts for the 2005 Cadillac CTS come from 2 brands — DORMAN and GM GENUINE.

Part numbers include DORMAN 921036, DORMAN 921037 and GM GENUINE 12595327.

This table covers the seals at the Oil Dipstick / Tube. 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

3 Oil Dipstick / Tube Seal parts are listed for the 2005 Cadillac CTS, from ELRING, FEL-PRO and GM GENUINE.

This group includes ELRING 584210, FEL-PRO 73889 and GM GENUINE 24504031.

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

7 Oil Drain Plug parts for the 2005 Cadillac CTS come from 5 brands — DORMAN, GM GENUINE, AGS and 2 other brands. The "Popular" part is DORMAN 090034.

This group includes DORMAN 090034, GM GENUINE 11562588 and AGS ODP00009 and the remaining 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

3 Oil Drain Plug Gasket parts are listed for the 2005 Cadillac CTS, from AJUSA, ELRING and VAICO.

Listed part numbers: AJUSA 21012700, ELRING 056130 and VAICO V401108.

This table covers the Oil Drain Plug inserts. Read more

One part is listed for the 2005 Cadillac CTS — GM GENUINE 11503302.

This table covers the caps on the oil filler neck. Read more

5 Oil Filler Cap parts for the 2005 Cadillac CTS come from 5 brands — MOTORAD, ACDELCO, DORMAN and 2 other brands. The "Popular" part is MOTORAD MO99.

Listed part numbers: MOTORAD MO99, ACDELCO FC215 and DORMAN 90202, plus the other parts above.

This table covers the gaskets that seal the Oil Filler Cap. 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 Filler Cap Gasket parts are listed for the 2005 Cadillac CTS, from ELRING, FEL-PRO and GM GENUINE.

Part numbers include ELRING 592250, ELRING 823620 and FEL-PRO 73193, among others listed above.

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

29 Oil Filter parts for the 2005 Cadillac CTS come from 17 brands — PUROLATOR, CHAMP / LUBER-FINER, FAMOUS BRAND and 14 other brands. The "Popular" part is CHAMP / LUBER-FINER P2129. Grades run from Economy through Standard Replacement; Economy is the most populated section, led by PUROLATOR, CHAMP / LUBER-FINER, FAMOUS BRAND and 6 other brands.

This table covers the Oil Filter adapters. Read more

One part is listed for the 2005 Cadillac CTS — GM GENUINE 12744666.

This table covers the Oil Filter Adapter Gasket O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove. Read more

4 Oil Filter Adapter Gasket / O-Ring parts are listed for the 2005 Cadillac CTS, from APEX, FEL-PRO, MAHLE / CLEVITE and 1 other brand.

Listed part numbers: APEX AOM6026, FEL-PRO 72968 and MAHLE / CLEVITE B32224, plus the other parts above.

This table covers the Oil Filter 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

This group shows a single part: GM GENUINE 25014612.

This table covers the Oil Filter covers. Read more

3 Oil Filter Cover parts are listed for the 2005 Cadillac CTS, from DORMAN, GM GENUINE and MOTORAD.

This group includes DORMAN 917046, GM GENUINE 12583470 and MOTORAD MO336.

This table covers the Oil Filter Cover O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove. Read more

One part is listed for the 2005 Cadillac CTS — GM GENUINE 12577653.

This table covers the gaskets that seal the Oil Filter. 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 2005 Cadillac CTS — GM GENUINE 12687466.

This table covers the seals at the Oil Filter Housing. 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 Oil Filter Housing Seal parts for the 2005 Cadillac CTS come from ELRING.

This group includes ELRING 159460 and ELRING 943050.

This table covers the Oil Galley 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: GM GENUINE 12667039.

This table covers the Oil Level sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

3 Oil Level Sensor parts for the 2005 Cadillac CTS come from 3 brands — GM GENUINE, STANDARD MOTOR PRODUCTS and WELLS.

This group includes GM GENUINE 2133945, STANDARD MOTOR PRODUCTS FLS83 and WELLS 5S3016.

This table covers the oil pans that hold the engine's oil sump. Read more

One part is listed for the 2005 Cadillac CTS — SPECTRA PREMIUM GMP74A.

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

This group shows a single part: VICTOR REINZ 703141410.

This table covers the Oil Pan Gasket rivets. Read more

This group shows a single part: GM GENUINE 12558759.