2021 Toyota Avalon 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

30 Camshaft Position Sensor parts are listed for the 2021 Toyota Avalon, from STANDARD MOTOR PRODUCTS, HOLSTEIN, WALKER PRODUCTS and 13 other brands. DORMAN 907856 carries the "Popular" badge. Economy and Standard Replacement are all represented, and Standard Replacement alone accounts for 19 parts.

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

13 Crankshaft Position Sensor parts are listed for the 2021 Toyota Avalon, from BECK/ARNLEY, DELPHI, STANDARD MOTOR PRODUCTS and 5 other brands. BECK/ARNLEY 1800802 carries the "Popular" badge.

In the Economy grade, HOLSTEIN, SPECTRA PREMIUM and ULTRA-POWER supply 3 parts: the catalog's value-priced group. A representative part number is HOLSTEIN 2CRK0797.

The Standard Replacement section lists 10 options from BECK/ARNLEY, DELPHI, STANDARD MOTOR PRODUCTS and 2 other brands — built to original-equipment specification. BECK/ARNLEY 1800802 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

34 Ignition Coil parts are listed for the 2021 Toyota Avalon, from WALKER PRODUCTS, AUTOTECNICA, BECK/ARNLEY and 14 other brands. AUTOTECNICA TY1321451 carries the "Popular" badge. Grades run from Economy through Standard Replacement; Standard Replacement is the most populated section, led by WALKER PRODUCTS, BECK/ARNLEY, NGK and 5 other brands.

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

13 Spark Plug parts for the 2021 Toyota Avalon come from 6 brands — DENSO, NGK, CHAMPION and 3 other brands. The "Popular" part is CHAMPION 446.

The Copper / Nickel section lists 1 option from CHAMPION — grouped under the catalog's "Copper / Nickel" designation — the notes column spells out what sets them apart. CHAMPION 446 is listed in this group.

In the Iridium (lasts up to 4x longer than Copper / Nickel) grade, DENSO, NGK, AUTOLITE and 2 other brands supply 7 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 AUTOLITE XP5325.

5 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

STANDARD MOTOR PRODUCTS supplies both parts for the 2021 Toyota Avalon.

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

One part is listed for the 2021 Toyota Avalon — MAHLE / CLEVITE GS34092.