The 2021 Toyota Sequoia has 66 ignition parts with verified fitment on this page — 6 part types and 26 brands, covering the 5.7L V8 engine. Each part includes a manufacturer part number and application notes.
On the 2021 Toyota Sequoia, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. Most of the listed parts are Ignition Coil (21 parts), Spark Plug (15 parts) and Camshaft Position Sensor (14 parts). The other 3 part types cover the remaining 16 parts.
Every part on this page is matched to the 5.7L V8 — the only engine offered in the 2021 Toyota Sequoia.
The most listed brands for 2021 Toyota Sequoia ignition parts are STANDARD MOTOR PRODUCTS (7 parts), DENSO (6 parts) and NGK (6 parts), plus 23 more brands. Quality grades include Standard Replacement, Economy and Iridium.
14 parts on this 2021 Toyota Sequoia page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including STANDARD MOTOR PRODUCTS PC559T (Camshaft Position Sensor) and SPECTRA PREMIUM S10338 (Crankshaft Position Sensor). Click any part number to see every vehicle that part fits.
Camshaft Position Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | PC559T | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | T-Series | View on Amazon |
| AUTOTECNICA | TY1420175 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Terminal Type: BladeBlack | View on Amazon |
| DORMAN | 907856 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Center LeftFor VVT Systemor Center Right | View on Amazon |
| HOLSTEIN | 2CAM0057 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| SKP | SKPC559 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| ULTRA-POWER | 5S6281 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | PC559 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WALKER PRODUCTS Popular | 2351343 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Sensor Only | View on Amazon |
| ASTEMO / HITACHI | CPS0256 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| BECK/ARNLEY | 1800499 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| DELPHI | SS10939 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DENSO | 1961001 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Engine Camshaft Position Sensor | View on Amazon |
| HELLA | 009168411 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 3-Pin Connectorwith Seal Ring | View on Amazon |
| WELLS | 5S6281 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
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.
14 Camshaft Position Sensor parts are listed for the 2021 Toyota Sequoia, from STANDARD MOTOR PRODUCTS, AUTOTECNICA, DORMAN and 10 other brands. STANDARD MOTOR PRODUCTS PC559T carries the "Popular" badge.
In the Economy grade, STANDARD MOTOR PRODUCTS, AUTOTECNICA, DORMAN and 3 other brands supply 6 parts: the catalog's value-priced group. A representative part number is STANDARD MOTOR PRODUCTS PC559T.
The Standard Replacement section lists 8 options from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, ASTEMO / HITACHI and 5 other brands — built to original-equipment specification. STANDARD MOTOR PRODUCTS PC559 is listed in this group.
Crankshaft Position Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SPECTRA PREMIUM Popular | S10338 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| DORMAN | 962551 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| HOLSTEIN | 2CRK0309 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| PRENCO | 4D1280 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ULTRA-POWER | 5S9001 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DENSO Popular | 1961003 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| STANDARD MOTOR PRODUCTS Popular | PC788 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| ASTEMO / HITACHI | CPS0248 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| BECK/ARNLEY | 1800548 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| DELPHI | SS11989 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WALKER PRODUCTS | 2351438 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Sensor OnlyTerminal Type: Blade | View on Amazon |
| WELLS | 5S9001 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
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.
12 Crankshaft Position Sensor parts are listed for the 2021 Toyota Sequoia, from SPECTRA PREMIUM, DORMAN, HOLSTEIN and 9 other brands. SPECTRA PREMIUM S10338 carries the "Popular" badge.
Economy: 5 parts, from SPECTRA PREMIUM, DORMAN, HOLSTEIN and 2 other brands. A representative part number is SPECTRA PREMIUM S10338.
The Standard Replacement section: 7 options from DENSO, STANDARD MOTOR PRODUCTS, ASTEMO / HITACHI and 4 other brands. DENSO 1961003 is listed in this group.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ULTRA-POWER Popular | 5C1653 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| AUTOTECNICA | TY1316039 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| B&B | BB2630 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| FVP | UF487F | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| HOLSTEIN | 2IGC0366 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| PRENCO | 368208 | 🇺🇸 US 🇨🇦 CA | Includes 36-2108 Boot Kit | View on Amazon |
| SPECTRA PREMIUM | C710 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Ignition Coil Mounts to Cylinder Head | View on Amazon |
| STANDARD MOTOR PRODUCTS | UF487T | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | T-Series | View on Amazon |
Full Service Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WALKER PRODUCTS | 92192122 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Full Service Kit | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ASTEMO / HITACHI Popular | IGC0176 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Coil Type: Individual | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular | UF487 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Blue Streak | View on Amazon |
| DELPHI | GN10366 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DENSO Popular | 6731309 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Direct Ignition Coil or Stick Coil | View on Amazon |
| WALKER PRODUCTS Popular | 9212122 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Single Coil | View on Amazon |
| BECK/ARNLEY | 1788344 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| BOSCH | 0986AG0501 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| FACET | 96438 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| NGK | 48977 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| NGK | 49722 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| UNITED MOTOR PRODUCTS | COP267 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WELLS | 5C1653 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Requires External Resistor: YES | View on Amazon |
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.
21 Ignition Coil parts are listed for the 2021 Toyota Sequoia, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, NGK and 15 other brands. ULTRA-POWER 5C1653 carries the "Popular" badge.
Economy: 8 parts, from ULTRA-POWER, AUTOTECNICA, B&B and 5 other brands. A representative part number is ULTRA-POWER 5C1653.
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 92192122.
The Premium section lists 3 options from ASTEMO / HITACHI, STANDARD MOTOR PRODUCTS and DELPHI — a step above OE specification in materials, tolerances or warranty terms. ASTEMO / HITACHI IGC0176 is listed in this group.
The Standard Replacement section: 9 options from NGK, DENSO, WALKER PRODUCTS and 5 other brands. DENSO 6731309 is listed in this group.
Spark Plug
Summary: Notes include pre-set gaps of 0.040", 0.042", 0.044" and 0.045". Replacement brands in this table include NGK, CHAMPION and BOSCH.
Copper / Nickel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CHAMPION | 975 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Copper PlusPre-Set Gap: 0.042" | View on Amazon |
Double Platinum (lasts up to 3x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH | 8122 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OE Fine Wire Double PlatinumPre-Set Gap: 0.044" | View on Amazon |
| CHAMPION | 7975 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Double Platinum PowerPre-Set Gap: 0.045" | View on Amazon |
Iridium (lasts up to 4x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK Popular | 6619 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Iridium IXPre-Set Gap: 0.044" | View on Amazon |
| AUTOLITE | XP5325 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Ground Electrode Tip Design: Taper CutIridium XP Spark Plug Dual Display Pack | View on Amazon |
| BOSCH | 9613 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OE Fine Wire Double IridiumPre-Set Gap: 0.044" | View on Amazon |
| CHAMPION | 9775 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IridiumPre-Set Gap: 0.045" | View on Amazon |
| DENSO | 5344 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Iridium PowerPre-Set Gap: 0.044" | View on Amazon |
| DENSO | 4704 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Iridium TTPre-Set Gap: 0.040" | View on Amazon |
| DENSO | 3421 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Iridium Long LifePre-Set Gap: 0.044" | View on Amazon |
| NGK | 4904 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Laser IridiumPre-Set Gap: 0.044" | View on Amazon |
Platinum (lasts up to 2x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK Popular | 1483 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | G-PowerPre-Set Gap: 0.040" | View on Amazon |
| ACDELCO | 21 | 🇺🇸 US 🇨🇦 CA | ProfessionalRapidfire | View on Amazon |
| BOSCH | 6731 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OE Fine Wire PlatinumPre-Set Gap: 0.044" | View on Amazon |
Ruthenium (maximum durability & ignitability)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK Popular | 94122 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Ruthenium HX High IgnitabilityPre-Set Gap: 0.044" | View on Amazon |
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.
15 Spark Plug parts for the 2021 Toyota Sequoia come from 6 brands — NGK, CHAMPION, BOSCH and 3 other brands. The "Popular" part is NGK 6619.
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 975 is listed in this group.
The Double Platinum (lasts up to 3x longer than Copper / Nickel) section lists 2 options from BOSCH and 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. BOSCH 8122 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 8 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 NGK 6619.
The Platinum (lasts up to 2x longer than Copper / Nickel) section lists 3 options from NGK, ACDELCO and BOSCH — grouped under the catalog's "Platinum (lasts up to 2x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. NGK 1483 is listed in this group.
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 94122 is listed in this group.
Spark Plug / Ignition Coil Boot
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | 19461 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Federal Wire | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | SPP140E | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
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.
STANDARD MOTOR PRODUCTS supplies both parts for the 2021 Toyota Sequoia.
Economy: 1 part, from STANDARD MOTOR PRODUCTS. A representative part number is STANDARD MOTOR PRODUCTS 19461.
The Standard Replacement section: 1 option from STANDARD MOTOR PRODUCTS. STANDARD MOTOR PRODUCTS SPP140E is listed in this group.
Part numbers include STANDARD MOTOR PRODUCTS 19461 and STANDARD MOTOR PRODUCTS SPP140E.
Spark Plug Tube Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APEX | AES816 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| MAHLE / CLEVITE | B31693 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Contains 8 Spark Plug Tube SealsSpark Plug Tube Seal Kit | View on Amazon |
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.
2 Spark Plug Tube Seal parts are listed for the 2021 Toyota Sequoia, from APEX and MAHLE / CLEVITE.
Listed part numbers: APEX AES816 and MAHLE / CLEVITE B31693.
Buying Ignition Parts for a 2021 Toyota Sequoia
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 5.7L V8 engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace plugs and wires (or coil boots) as a set — one weak cylinder makes the whole set feel bad.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Ignition Coil and Spark Plug .
Frequently Asked Questions
How many ignition parts fit the 2021 Toyota Sequoia?
Our catalog currently lists 66 ignition parts for the 2021 Toyota Sequoia across 6 subcategories and 26 brands, covering the 5.7L V8 engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 2021 Toyota Sequoia?
Common symptoms include misfires under load, rough idle, flashing check-engine light, or poor starting in damp weather. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What spark-plug gap is listed for the 2021 Toyota Sequoia?
Notes on this page include pre-set gaps of 0.040", 0.042", 0.044" and 0.045". Still verify against spec — even “pre-gapped” plugs should be checked before they go in.
What should I replace at the same time?
Where labor overlaps, replace plugs and wires (or coil boots) as a set — one weak cylinder makes the whole set feel bad.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2021 Toyota Sequoia was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2021 Toyota Sequoia?
Every part on this page is matched to the 5.7L V8 engine. Then gap matters even on “pre-gapped” plugs — verify against spec, and replace coil boots when they come off a high-mileage engine. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 Toyota Sequoia
Ignition Parts for Other Toyota Sequoia Years
Switch vehicle or jump to a subcategory
Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.