2006 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

One part is listed for the 2006 Cadillac CTS — 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

One part is listed for the 2006 Cadillac CTS — GM GENUINE 12574477.

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

This group shows a single part: GM GENUINE 12608427.

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

11 Connecting Rod Bearing parts for the 2006 Cadillac CTS come from 5 brands — MAHLE / CLEVITE, KING ENGINE BEARINGS, SEALED POWER and 2 other brands. The "Popular" part is ENGINETECH BB133J.

The High Performance section lists 2 options from KING ENGINE BEARINGS — engineered beyond original-equipment specification. KING ENGINE BEARINGS CR6826XPX is listed in this group.

In the Standard Replacement grade, MAHLE / CLEVITE, SEALED POWER, ENGINETECH and 2 other brands supply 9 parts: built to original-equipment specification. A representative part number is ENGINETECH BB133J.

This table covers the Connecting Rod bolts. Read more

One part is listed for the 2006 Cadillac CTS — 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

6 Conversion / Lower Gasket Set parts for the 2006 Cadillac CTS come from 6 brands — ENGINETECH, FEL-PRO, AJUSA and 3 other brands. The "Popular" part is ENGINETECH GM217CSA.

Part numbers include ENGINETECH GM217CSA, FEL-PRO CS263761 and AJUSA 54277700, among others listed above.

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 are listed for the 2006 Cadillac CTS, from GM GENUINE, KING ENGINE BEARINGS, MAHLE / CLEVITE and 2 other brands. KING ENGINE BEARINGS MB4272SI carries the "Popular" badge.

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

This group shows a single part: GM GENUINE 12560272.

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

4 Crankshaft Repair Sleeve parts are listed for the 2006 Cadillac CTS, from BCA, NATIONAL, SCHAEFFLER and 1 other brand.

This group includes BCA NS99166, NATIONAL 99166 and SCHAEFFLER SS3489 and the remaining 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

11 Crankshaft Seal parts are listed for the 2006 Cadillac CTS, from GM GENUINE, NATIONAL, WJB / INMOTION PARTS and 5 other brands. FEL-PRO BS40711 carries the "Popular" badge.

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

This group shows a single part: GM GENUINE 12570326.

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

11 Cylinder Head Bolt parts for the 2006 Cadillac CTS come from 7 brands — VICTOR REINZ, FEL-PRO, SKP and 4 other brands. The "Popular" part is ENGINETECH HB258.

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

8 Cylinder Head Gasket parts for the 2006 Cadillac CTS come from 4 brands — APEX, AJUSA, MAHLE / CLEVITE and 1 other brand. The "Popular" part is APEX AHG1317R.

Part numbers include APEX AHG1317R, APEX AHG1317L and AJUSA 10179800, among others listed 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

6 Cylinder Head Gasket Set parts for the 2006 Cadillac CTS come from 5 brands — ENGINETECH, ULTRA-POWER, AJUSA and 2 other brands. The "Popular" part is ENGINETECH GM171HSA.

Listed part numbers: ENGINETECH GM171HSA, ULTRA-POWER HS54668 and AJUSA 52609900, plus the other parts above.

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

One part is listed for the 2006 Cadillac CTS — GM GENUINE 12587380.

This table covers the Engine covers. Read more

This group shows a single part: 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 for the 2006 Cadillac CTS come from 2 brands — AJUSA and ENGINETECH.

Part numbers include AJUSA 50550600 and ENGINETECH GM171K1.

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 are listed for the 2006 Cadillac CTS, from ENGINETECH, GM GENUINE, MAHLE / CLEVITE and 2 other brands. ENGINETECH V4431 carries the "Popular" badge.

Listed part numbers: ENGINETECH V4431, GM GENUINE 12575354 and MAHLE / CLEVITE 2114700, plus the other parts above.

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

2 Harmonic Balancer parts for the 2006 Cadillac CTS come from 2 brands — DORMAN and GM GENUINE.

This group includes DORMAN 594452 and GM GENUINE 12597654.

This table covers the Harmonic Balancer bolts. Read more

2 Harmonic Balancer Bolt parts are listed for the 2006 Cadillac CTS, from DORMAN and GM GENUINE.

Listed part numbers: 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

One part is listed for the 2006 Cadillac CTS — GM GENUINE 12705324.

This table covers the Intake Manifold bolts. Read more

This group shows a single part: 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 for the 2006 Cadillac CTS come from 5 brands — FEL-PRO, APEX, GM GENUINE and 2 other brands. The "Popular" part is FEL-PRO MS96969.

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 are listed for the 2006 Cadillac CTS, from FEL-PRO, ULTRA-POWER, APEX and 3 other brands. FEL-PRO MS96976 carries the "Popular" badge.

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

6 Intake Valve parts are listed for the 2006 Cadillac CTS, from GM GENUINE, MELLING, ENGINETECH and 3 other brands. GM GENUINE 12620501 carries the "Popular" badge.

This group includes GM GENUINE 12620501, MELLING V3211 and ENGINETECH V4490 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 are listed for the 2006 Cadillac CTS, from PIONEER, SKP, ANCHOR and 2 other brands. SKP SKM3149 carries the "Popular" badge.

In the Economy grade, SKP supplies 1 part: the catalog's value-priced group. A representative part number is SKP SKM3149.

The Standard Replacement section: 5 options from PIONEER, ANCHOR, DEA / MARMON RIDE CONTROL and 1 other brand. ANCHOR 3149 is listed in this group.

This group includes SKP SKM3149, ANCHOR 3149 and DEA / MARMON RIDE CONTROL A5722 and the remaining parts above.

This table covers the Motor Mount kits. Read more

One part is listed for the 2006 Cadillac CTS — 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

29 Oil parts are listed for the 2006 Cadillac CTS, from VALVOLINE, MOBIL, LIQUI MOLY and 4 other brands. LIQUI MOLY 20228 carries the "Popular" badge. Full Synthetic, High Mileage (>75,000 Miles) and Synthetic Blend are all represented, and Full Synthetic alone accounts for 20 parts.

This table covers the Oil Dipstick tubes. Read more

2 Oil Dipstick / Tube parts are listed for the 2006 Cadillac CTS, from DORMAN and GM GENUINE.

Listed part numbers: DORMAN 921036 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

2 Oil Dipstick / Tube Seal parts for the 2006 Cadillac CTS come from 2 brands — FEL-PRO and GM GENUINE.

Part numbers include FEL-PRO 73889 and GM GENUINE 24504031.

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

6 Oil Drain Plug parts are listed for the 2006 Cadillac CTS, from DORMAN, GM GENUINE, AGS and 1 other brand. DORMAN 090034 carries the "Popular" badge.

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 for the 2006 Cadillac CTS come from 3 brands — AJUSA, GM GENUINE and VAICO.

Part numbers include AJUSA 21012700, GM GENUINE 12616850 and VAICO V401110.

This table covers the Oil Drain Plug inserts. Read more

This group shows a single part: GM GENUINE 11503302.

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

3 Oil Filler Cap parts are listed for the 2006 Cadillac CTS, from DORMAN, GATES and MOTORAD.

Listed part numbers: DORMAN 90202, GATES 31103 and MOTORAD MO152.

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

2 Oil Filler Cap Gasket parts for the 2006 Cadillac CTS come from 2 brands — FEL-PRO and GM GENUINE.

Part numbers include FEL-PRO 73193 and GM GENUINE 24100002.

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 are listed for the 2006 Cadillac CTS, from PUROLATOR, CHAMP / LUBER-FINER, FAMOUS BRAND and 14 other brands. CHAMP / LUBER-FINER P2129 carries the "Popular" badge. 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

This group shows a single part: 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

3 Oil Filter Adapter Gasket / O-Ring parts for the 2006 Cadillac CTS come from 3 brands — FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.

This group includes FEL-PRO 72968, MAHLE / CLEVITE B32224 and VICTOR REINZ 711460600.

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

One part is listed for the 2006 Cadillac CTS — GM GENUINE 25014612.

This table covers the Oil Filter covers. Read more

3 Oil Filter Cover parts for the 2006 Cadillac CTS come from 3 brands — DORMAN, GM GENUINE and MOTORAD.

Part numbers include 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

This group shows a single part: 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

This group shows a single part: GM GENUINE 12687466.

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

One part is listed for the 2006 Cadillac CTS — 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 are listed for the 2006 Cadillac CTS, from 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

2 Oil Pan parts for the 2006 Cadillac CTS come from 2 brands — DORMAN and SPECTRA PREMIUM.

This group includes DORMAN 264258 and 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

One part is listed for the 2006 Cadillac CTS — VICTOR REINZ 703141410.

This table covers the Oil Pan Gasket rivets. Read more

One part is listed for the 2006 Cadillac CTS — GM GENUINE 12558759.

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

7 Oil Pump parts are listed for the 2006 Cadillac CTS, from ENGINETECH, GM GENUINE, MELLING and 3 other brands. GM GENUINE 12640448 carries the "Popular" badge.

Economy: 1 part, from ENGINETECH. A representative part number is ENGINETECH EPK160.

The Standard Replacement section: 5 options from GM GENUINE, MELLING, ENGINETECH and 2 other brands. GM GENUINE 12640448 is listed in this group.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

Part numbers include GM GENUINE 12640448, ENGINETECH EPK160 and MELLING M353, among others listed above.

This table covers the pickup tubes and screens that feed the oil pump. Read more

2 Oil Pump Pickup Tube / Screen parts for the 2006 Cadillac CTS come from 2 brands — MELLING and SEALED POWER.

Listed part numbers: MELLING 370S and SEALED POWER 22415085.

This table covers the O-rings that seal the oil-pump pickup tube. 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 2006 Cadillac CTS — GM GENUINE 12691257.

This table covers the Oil Temperature senders. Read more

This group shows a single part: WELLS 5S3016.

This table covers the Piston Pin retainers. Read more

GM GENUINE supplies both parts for the 2006 Cadillac CTS.

Listed part numbers: GM GENUINE 12569638 and GM GENUINE 12566186.

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

5 Piston Ring parts for the 2006 Cadillac CTS come from 4 brands — HASTINGS MANUFACTURING, ENGINETECH, MAHLE / CLEVITE and 1 other brand. The "Popular" part is ENGINETECH S89246.

In the Premium grade, ENGINETECH and MAHLE / CLEVITE supply 2 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is ENGINETECH S89246.

Standard Replacement: 3 parts, from HASTINGS MANUFACTURING and GM GENUINE. A representative part number is GM GENUINE 12596025.

This group includes ENGINETECH S89246, MAHLE / CLEVITE 42106CP and GM GENUINE 12596025 and the remaining parts above.

This table covers the rocker arms that transfer cam motion to the valves. Read more

6 Rocker Arm parts are listed for the 2006 Cadillac CTS, from GM GENUINE, MELLING, ENGINETECH and 3 other brands. GM GENUINE 24100294 carries the "Popular" badge.

Listed part numbers: GM GENUINE 24100294, MELLING MR1323 and ENGINETECH ER2944, plus the other parts above.

This table covers the Timing Cam sprockets. Read more

GM GENUINE supplies both parts for the 2006 Cadillac CTS.

This group includes GM GENUINE 12597414 and GM GENUINE 12597413.

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

12 Timing Chain parts for the 2006 Cadillac CTS come from 6 brands — GM GENUINE, MELLING, CLOYES and 3 other brands. The "Popular" part is GM GENUINE 12589011.