2018 Toyota Highlander 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

28 Camshaft Position Sensor parts for the 2018 Toyota Highlander come from 18 brands — STANDARD MOTOR PRODUCTS, HOLSTEIN, DELPHI and 15 other brands. The "Popular" part is DORMAN 907856. Grades run from Economy through Standard Replacement; Standard Replacement is the most populated section, led by DELPHI, STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and 6 other brands.

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

28 Crankshaft Position Sensor parts for the 2018 Toyota Highlander come from 15 brands — STANDARD MOTOR PRODUCTS, WELLS, WALKER PRODUCTS and 12 other brands. The "Popular" part is SPECTRA PREMIUM S10338. Economy and Standard Replacement are all represented, and Standard Replacement alone accounts for 21 parts.

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

56 Ignition Coil parts for the 2018 Toyota Highlander come from 23 brands — WALKER PRODUCTS, STANDARD MOTOR PRODUCTS, NGK and 20 other brands. The "Popular" part is ULTRA-POWER 5C1653. They are grouped as Economy, Full Service Kit, Premium and Standard Replacement, with Standard Replacement the largest group at 29 parts from WALKER PRODUCTS, NGK, BECK/ARNLEY and 9 other brands.

This table covers the lock cylinders in the ignition switch. Read more

2 Ignition Lock Cylinder parts for the 2018 Toyota Highlander come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS. Every part fits all 3 engine options (2.7L L4, 3.5L V6 and 3.5L V6 ELECTRIC/GAS).

This group includes STANDARD MOTOR PRODUCTS US640L and WELLS 4H1880.

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

21 Spark Plug parts are listed for the 2018 Toyota Highlander, from NGK, DENSO, CHAMPION and 4 other brands. CHAMPION 446 carries the "Popular" badge. 2 parts fit every engine; the other 19 are engine-specific.

In the Copper / Nickel grade, CHAMPION supplies 2 parts: grouped under the catalog's "Copper / Nickel" designation — the notes column spells out what sets them apart. A representative part number is CHAMPION 446.

In the Double Platinum (lasts up to 3x longer than Copper / Nickel) grade, CHAMPION supplies 1 part: 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. A representative part number is CHAMPION 7975.

The Iridium (lasts up to 4x longer than Copper / Nickel) section lists 14 options from DENSO, NGK, CHAMPION and 3 other brands — grouped under the catalog's "Iridium (lasts up to 4x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. NGK 4469 is listed in this group.

In the Platinum (lasts up to 2x longer than Copper / Nickel) grade, NGK, ACDELCO and DENSO supply 3 parts: grouped under the catalog's "Platinum (lasts up to 2x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. A representative part number is NGK 5018.

In the Ruthenium (maximum durability & ignitability) grade, NGK supplies 1 part: grouped under the catalog's "Ruthenium (maximum durability & ignitability)" designation — the notes column spells out what sets them apart. A representative part number is NGK 96355.

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 for the 2018 Toyota Highlander come from 3 brands — STANDARD MOTOR PRODUCTS, NGK and WELLS.

The Economy section lists 1 option from STANDARD MOTOR PRODUCTS — the catalog's value-priced group. STANDARD MOTOR PRODUCTS 19461 is listed in this group.

In the Standard Replacement grade, NGK, STANDARD MOTOR PRODUCTS and WELLS supply 3 parts: built to original-equipment specification. A representative part number is NGK 59009.

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

This group includes STANDARD MOTOR PRODUCTS 19461, NGK 59009 and STANDARD MOTOR PRODUCTS SPP140E and the remaining parts 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

2 Spark Plug Tube Seal parts for the 2018 Toyota Highlander come from 2 brands — BECK/ARNLEY and MAHLE / CLEVITE.

This group includes BECK/ARNLEY 0396686 and MAHLE / CLEVITE GS34092.