2018 Toyota Sienna 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

26 Camshaft Position Sensor parts for the 2018 Toyota Sienna come from 18 brands — STANDARD MOTOR PRODUCTS, AUTOTECNICA, HOLSTEIN 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, WALKER PRODUCTS, BECK/ARNLEY 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

8 Crankshaft Position Sensor parts for the 2018 Toyota Sienna come from 8 brands — SPECTRA PREMIUM, ULTRA-POWER, WELLS and 5 other brands. The "Popular" part is SPECTRA PREMIUM S10338.

The Economy section lists 2 options from SPECTRA PREMIUM and ULTRA-POWER — the catalog's value-priced group. SPECTRA PREMIUM S10338 is listed in this group.

In the Standard Replacement grade, WELLS, BECK/ARNLEY, DELPHI and 3 other brands supply 6 parts: built to original-equipment specification. A representative part number is WELLS 5S9001.

Listed part numbers: SPECTRA PREMIUM S10338 and ULTRA-POWER 5S9001, plus the other parts above.

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

17 Ignition Coil parts for the 2018 Toyota Sienna come from 15 brands — WALKER PRODUCTS, AUTOTECNICA, FAMOUS BRAND and 12 other brands. The "Popular" part is WALKER PRODUCTS 92192089.

The Economy section: 5 options from AUTOTECNICA, FAMOUS BRAND, PRENCO and 2 other brands. AUTOTECNICA TY1319584 is listed in this group.

The Full Service Kit section lists 1 option from WALKER PRODUCTS — grouped under the catalog's "Full Service Kit" designation — the notes column spells out what sets them apart. WALKER PRODUCTS 92192089 is listed in this group.

In the Premium grade, ASTEMO / HITACHI and DELPHI supply 2 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is ASTEMO / HITACHI IGC0214.

Standard Replacement: 8 parts, from WALKER PRODUCTS, ACKOJA, BECK/ARNLEY and 4 other brands. A representative part number is WALKER PRODUCTS 9212089.

1 further part sits outside the graded sections, with the same engine-level match.

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

2 Ignition Lock Cylinder parts for the 2018 Toyota Sienna come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.

Part numbers include STANDARD MOTOR PRODUCTS US634L and WELLS 4H1885.

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

11 Spark Plug parts are listed for the 2018 Toyota Sienna, from AUTOLITE, DENSO, NGK and 3 other brands. AUTOLITE XP5325 carries the "Popular" badge.

In the Copper / Nickel grade, AUTOLITE supplies 1 part: grouped under the catalog's "Copper / Nickel" designation — the notes column spells out what sets them apart. A representative part number is AUTOLITE 5325.

In the Double Platinum (lasts up to 3x longer than Copper / Nickel) grade, AUTOLITE 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 AUTOLITE APP5325.

The Iridium (lasts up to 4x longer than Copper / Nickel) section lists 8 options from DENSO, NGK, AUTOLITE 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. AUTOLITE XP5325 is listed in this group.

In the Platinum (lasts up to 2x longer than Copper / Nickel) grade, DENSO supplies 1 part: 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 DENSO 4506.

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

2 Spark Plug / Ignition Coil Boot parts for the 2018 Toyota Sienna come from STANDARD MOTOR PRODUCTS.

Part numbers include STANDARD MOTOR PRODUCTS SPP236E and STANDARD MOTOR PRODUCTS 34261.

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

This group shows a single part: MAHLE / CLEVITE GS34092.