2017 Cadillac Ats Engine Parts

This table covers the Balance shafts. Read more

One part is listed for the 2017 Cadillac Ats — GM GENUINE 25203088.

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

7 Balance Shaft Chain parts for the 2017 Cadillac Ats come from 5 brands — CLOYES, MELLING, GM GENUINE and 2 other brands. The "Popular" part is CLOYES C919.

In the Chain Only grade, CLOYES, MELLING, GM GENUINE and 2 other brands supply 5 parts: grouped under the catalog's "Chain Only" designation — the notes column spells out what sets them apart. A representative part number is CLOYES C919.

The Kit section lists 2 options from CLOYES and MELLING — grouped under the catalog's "Kit" designation — the notes column spells out what sets them apart. CLOYES 90919S is listed in this group.

This group includes CLOYES C919, MELLING 1094 and GM GENUINE 12626983 and the remaining parts above.

This table covers the guides that keep the balance-shaft chain on its path. Read more

5 Balance Shaft Chain Guide parts for the 2017 Cadillac Ats come from 5 brands — MELLING, CLOYES, GM GENUINE and 2 other brands. The "Popular" part is MELLING BG5150.

Listed part numbers: MELLING BG5150, CLOYES 95953 and GM GENUINE 12655471, plus the other parts above.

This table covers the Balance Shaft Chain tensioners. 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

6 Balance Shaft Chain Tensioner parts are listed for the 2017 Cadillac Ats, from GM GENUINE, MELLING, CLOYES and 3 other brands. GM GENUINE 12626984 carries the "Popular" badge.

Part numbers include GM GENUINE 12626984, MELLING BT5208 and CLOYES 95952, among others listed above.

This table covers the Balance Shaft sprockets. Read more

6 Balance Shaft Sprocket parts for the 2017 Cadillac Ats come from 6 brands — GM GENUINE, MELLING, CLOYES and 3 other brands. The "Popular" part is GM GENUINE 12655716.

Part numbers include GM GENUINE 12655716, MELLING S1370 and CLOYES S1101, among others listed above.

This table covers the blocks in this assembly. Read more

This group shows a single part: GM GENUINE 25201642.

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

11 Camshaft parts for the 2017 Cadillac Ats come from GM GENUINE.

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 2017 Cadillac Ats — 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

GM GENUINE supplies both parts for the 2017 Cadillac Ats.

Part numbers include GM GENUINE 12574477 and GM GENUINE 12636316.

This table covers the Circular / Semi-Circular 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 2017 Cadillac Ats — GM GENUINE 11588547.

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

3 Connecting Rod parts for the 2017 Cadillac Ats come from GM GENUINE.

This group includes GM GENUINE 12674411, GM GENUINE 12647161 and GM GENUINE 12652977.

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

7 Connecting Rod Bearing parts for the 2017 Cadillac Ats come from 2 brands — GM GENUINE and MAHLE / CLEVITE.

Part numbers include GM GENUINE 12668645, GM GENUINE 12672032 and GM GENUINE 19368257, among others listed above.

This table covers the Connecting Rod bolts. Read more

GM GENUINE supplies the 3 Connecting Rod Bolt parts for the 2017 Cadillac Ats.

This group includes GM GENUINE 11548927, GM GENUINE 11519680 and GM GENUINE 11547385.

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

7 Conversion / Lower Gasket Set parts for the 2017 Cadillac Ats come from 5 brands — AJUSA, FEL-PRO, APEX and 2 other brands. The "Popular" part is FEL-PRO CS263761.

Listed part numbers: FEL-PRO CS263761, AJUSA 54229400 and AJUSA 54323100, plus the other parts above.

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

3 Crankshaft parts for the 2017 Cadillac Ats come from GM GENUINE.

Listed part numbers: GM GENUINE 12626959, GM GENUINE 12699162 and GM GENUINE 12653000.

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

GM GENUINE supplies the 5 Crankshaft Main Bearing parts for the 2017 Cadillac Ats.

Part numbers include GM GENUINE 12668646, GM GENUINE 12744917 and GM GENUINE 19368254, among others listed above.

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

3 Crankshaft Main Bearing Cap Bolt parts for the 2017 Cadillac Ats come from 2 brands — GM GENUINE and ELRING.

This group includes ELRING B75610, GM GENUINE 11589001 and GM GENUINE 12560272.

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

6 Crankshaft Repair Sleeve parts are listed for the 2017 Cadillac Ats, from BCA, NATIONAL and WJB / INMOTION PARTS.

Part numbers include BCA NS99353, BCA NS99166 and NATIONAL 99353, 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

26 Crankshaft Seal parts are listed for the 2017 Cadillac Ats, from GM GENUINE, NATIONAL, WJB / INMOTION PARTS and 11 other brands. FEL-PRO BS40739 carries the "Popular" badge. The notes list position, dimensions and spec qualifiers wherever the manufacturer distinguishes between variants.

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

GM GENUINE supplies both parts for the 2017 Cadillac Ats.

This group includes GM GENUINE 12690428 and GM GENUINE 12709312.

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

12 Cylinder Head Bolt parts for the 2017 Cadillac Ats come from 4 brands — GM GENUINE, AJUSA, FEL-PRO and 1 other brand. The "Popular" part is FEL-PRO ES722741.

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

21 Cylinder Head Gasket parts for the 2017 Cadillac Ats come from 7 brands — APEX, GM GENUINE, AJUSA and 4 other brands. The "Popular" part is APEX AHG1357.

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

10 Cylinder Head Gasket Set parts for the 2017 Cadillac Ats come from 5 brands — AJUSA, GM GENUINE, MAHLE / CLEVITE and 2 other brands.

This table covers the Engine Block drain plugs. Read more

This group shows a single part: GM GENUINE 11546667.

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

4 Engine Block Heater parts are listed for the 2017 Cadillac Ats, from GM GENUINE and KAT'S HEATERS.

Listed part numbers: GM GENUINE 12586687, GM GENUINE 12587380 and KAT'S HEATERS 28811, plus the other parts above.

This table covers the Engine covers. Read more

This group shows a single part: TECHPRO GM1228186.

This table covers the Engine Cover grommets. Read more

GM GENUINE supplies the 3 Engine Cover Grommet parts for the 2017 Cadillac Ats.

Listed part numbers: GM GENUINE 12737359, GM GENUINE 12559120 and GM GENUINE 12594875.

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

3 Engine Kit Gasket Set parts for the 2017 Cadillac Ats come from AJUSA.

Part numbers include AJUSA 50535600, AJUSA 50552200 and AJUSA 50553800.

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

9 Exhaust Valve parts are listed for the 2017 Cadillac Ats, from GM GENUINE, MELLING, ENGINETECH and 2 other brands. ENGINETECH V3414 carries the "Popular" badge.

Part numbers include ENGINETECH V3414, GM GENUINE 12684736 and GM GENUINE 12647868, among others listed 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

This group shows a single part: GM GENUINE 11569584.

This table covers the followers that drive a mechanical fuel pump off the camshaft. Read more

3 Fuel Pump Camshaft Follower parts for the 2017 Cadillac Ats come from 3 brands — GM GENUINE, STANDARD MOTOR PRODUCTS and WELLS.

This group includes GM GENUINE 12718357, STANDARD MOTOR PRODUCTS GDF102 and WELLS 5T5013.

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

8 Harmonic Balancer parts for the 2017 Cadillac Ats come from 5 brands — GM GENUINE, DORMAN, SKP and 2 other brands. The "Popular" part is GM GENUINE 25202078.

The Economy section lists 1 option from SKP — the catalog's value-priced group. SKP SK594713 is listed in this group.

In the Standard Replacement grade, GM GENUINE, ATP, DORMAN and 1 other brand supply 4 parts: built to original-equipment specification. A representative part number is GM GENUINE 25202078.

3 further parts sit outside the graded sections, with the same engine-level match.

Part numbers include GM GENUINE 25202078, SKP SK594713 and ATP 102479, among others listed above.

This table covers the Harmonic Balancer bolts. Read more

5 Harmonic Balancer Bolt parts are listed for the 2017 Cadillac Ats, from GM GENUINE and DORMAN.

This group includes DORMAN 917139, DORMAN 595005 and GM GENUINE 12557840 and the remaining parts above.

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

GM GENUINE supplies both parts for the 2017 Cadillac Ats.

This group includes GM GENUINE 12631023 and GM GENUINE 12674143.

This table covers the Intake Manifold bolts. Read more

This group shows a single part: GM GENUINE 11588352.

This table covers the Intake Manifold covers. Read more

2 Intake Manifold Cover parts for the 2017 Cadillac Ats come from GM GENUINE.

This group includes GM GENUINE 12740045 and GM GENUINE 12703607.

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

17 Intake Manifold Gasket parts for the 2017 Cadillac Ats come from 6 brands — AJUSA, FEL-PRO, GM GENUINE and 3 other brands. The "Popular" part is FEL-PRO MS98021.

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

GM GENUINE supplies both parts for the 2017 Cadillac Ats.

This group includes GM GENUINE 12700744 and GM GENUINE 12670741.

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

10 Intake Valve parts are listed for the 2017 Cadillac Ats, from GM GENUINE, MELLING, QUALCAST and 2 other brands. GM GENUINE 12610931 carries the "Popular" badge.

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

9 Motor Mount parts are listed for the 2017 Cadillac Ats, from GM GENUINE, ANCHOR and DEA / MARMON RIDE CONTROL. GM GENUINE 23274000 carries the "Popular" badge.

Listed part numbers: GM GENUINE 23274000, GM GENUINE 23340394 and ANCHOR 3714, plus the other parts above.

This table covers the Motor Mount bolts. Read more

This group shows a single part: GM GENUINE 11548249.

This table covers the brackets that mount the Motor Mount. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

GM GENUINE supplies both parts for the 2017 Cadillac Ats.

Part numbers include GM GENUINE 23104518 and GM GENUINE 23104519.