2018 Cadillac CTS Ignition Parts

This table covers the sensors that report camshaft position to the ECU. Typical signs include a stall, a no-start, or a code for cam or crank correlation. Check the connector and the reluctor gap before replacing the sensor. Read more

25 Camshaft Position Sensor parts are listed for the 2018 Cadillac CTS, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, HOLSTEIN and 11 other brands. HOLSTEIN 2CAM0134 carries the "Popular" badge.

In the Economy grade, HOLSTEIN, AUTOTECNICA, UNITED MOTOR PRODUCTS and 4 other brands supply 10 parts: the catalog's value-priced group. A representative part number is HOLSTEIN 2CAM0134.

In the Full Service Kit grade, WALKER PRODUCTS supplies 1 part: grouped under the catalog's "Full Service Kit" designation — the notes column spells out what sets them apart. A representative part number is WALKER PRODUCTS 23591187.

The Standard Replacement section lists 13 options from GM GENUINE, STANDARD MOTOR PRODUCTS, ASTEMO / HITACHI and 5 other brands — built to original-equipment specification. GM GENUINE 12646782 is listed in this group.

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

This table covers the seals at the Camshaft Position Sensor. 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 Camshaft Position Sensor Seal parts for the 2018 Cadillac CTS come from 2 brands — ELRING and GM GENUINE.

Part numbers include ELRING 048700 and GM GENUINE 12626252.

This table covers the sensors that report crankshaft position and engine speed. Typical signs include a stall, a no-start, or a code for cam or crank correlation. Check the connector and the reluctor gap before replacing the sensor. Read more

19 Crankshaft Position Sensor parts are listed for the 2018 Cadillac CTS, from HOLSTEIN, GM GENUINE, STANDARD MOTOR PRODUCTS and 9 other brands. HOLSTEIN 2CRK0307 carries the "Popular" badge.

Economy: 6 parts, from HOLSTEIN, DORMAN, PRENCO and 2 other brands. A representative part number is HOLSTEIN 2CRK0307.

The Standard Replacement section: 13 options from GM GENUINE, STANDARD MOTOR PRODUCTS, WELLS and 4 other brands. GM GENUINE 12646781 is listed in this group.

This table covers the coils that fire each spark plug. Typical signs include a misfire that follows one cylinder, a snap in damp weather, or a coil that is swollen or cracked. Swap a suspect coil with a neighbor to confirm, then replace boots that tore on the way off. Read more

32 Ignition Coil parts are listed for the 2018 Cadillac CTS, from STANDARD MOTOR PRODUCTS, GM GENUINE, NGK and 13 other brands. SKP SKIC087 carries the "Popular" badge. They are grouped as Economy, Premium and Standard Replacement, with Standard Replacement the largest group at 16 parts from GM GENUINE, NGK, UNITED MOTOR PRODUCTS and 4 other brands.

This table covers the Immobilizer antennas. Read more

One part is listed for the 2018 Cadillac CTS — GM GENUINE 13580790.

This table covers the spark plugs for this engine. Typical signs include misfire under load, rough idle, or a flashing check-engine light. Verify the gap even on pre-gapped plugs, and replace coil boots that come off a high-mileage engine. Read more

12 Spark Plug parts for the 2018 Cadillac CTS come from 5 brands — NGK, CHAMPION, ACDELCO and 2 other brands. The "Popular" part is CHAMPION 9016.

The Double Platinum (lasts up to 3x longer than Copper / Nickel) section lists 1 option from CHAMPION — grouped under the catalog's "Double Platinum (lasts up to 3x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. CHAMPION 7004 is listed in this group.

In the Iridium (lasts up to 4x longer than Copper / Nickel) grade, NGK, CHAMPION, ACDELCO and 2 other brands supply 6 parts: grouped under the catalog's "Iridium (lasts up to 4x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. A representative part number is CHAMPION 9016.

The Ruthenium (maximum durability & ignitability) section lists 1 option from NGK — grouped under the catalog's "Ruthenium (maximum durability & ignitability)" designation — the notes column spells out what sets them apart. NGK 95605 is listed in this group.

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

This table covers the silicone and rubber boots that insulate the coil-to-plug spark path. Typical signs include a misfire in the rain, carbon tracking on the boot, or a snap when you pop the coil off. Replace boots as a set on a high-mileage engine; one cracked boot will take the coil with it. Read more

6 Spark Plug / Ignition Coil Boot parts are listed for the 2018 Cadillac CTS, from STANDARD MOTOR PRODUCTS, ACDELCO and NGK.

Economy: 2 parts, from STANDARD MOTOR PRODUCTS. A representative part number is STANDARD MOTOR PRODUCTS 34181.

The Standard Replacement section: 4 options from STANDARD MOTOR PRODUCTS, ACDELCO and NGK. ACDELCO 16103 is listed in this group.

Part numbers include STANDARD MOTOR PRODUCTS 34181, STANDARD MOTOR PRODUCTS 20911 and ACDELCO 16103, among others listed above.

This table covers the seals at the Spark Plug 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

7 Spark Plug Tube Seal parts are listed for the 2018 Cadillac CTS, from GM GENUINE, ELRING, FEL-PRO and 3 other brands.

Listed part numbers: ELRING 912510, FEL-PRO ES72393 and GM GENUINE 12613249, plus the other parts above.