2021 Chevrolet Suburban 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

15 Camshaft Position Sensor parts for the 2021 Chevrolet Suburban come from 10 brands — GM GENUINE, STANDARD MOTOR PRODUCTS, DELPHI and 7 other brands. The "Popular" part is GM GENUINE 12623093.

The Economy section lists 3 options from DORMAN, HOLSTEIN and PRENCO — the catalog's value-priced group. DORMAN 962277 is listed in this group.

In the Standard Replacement grade, GM GENUINE, STANDARD MOTOR PRODUCTS, ASTEMO / HITACHI and 4 other brands supply 7 parts: built to original-equipment specification. A representative part number is GM GENUINE 12623093.

5 further parts sit outside the graded sections, 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

One part is listed for the 2021 Chevrolet Suburban — 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

12 Crankshaft Position Sensor parts for the 2021 Chevrolet Suburban come from 8 brands — GM GENUINE, STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and 5 other brands. The "Popular" part is HOLSTEIN 2CRK0813.

The Economy section: 2 options from HOLSTEIN and SPECTRA PREMIUM. HOLSTEIN 2CRK0813 is listed in this group.

Standard Replacement: 6 parts, from GM GENUINE, ASTEMO / HITACHI, DELPHI and 3 other brands. A representative part number is GM GENUINE 12712848.

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

This table covers the Diesel Glow plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes. Read more

2 Diesel Glow Plug parts are listed for the 2021 Chevrolet Suburban, from BOSCH and GM GENUINE.

Listed part numbers: BOSCH 0250703006 and GM GENUINE 72G.

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

25 Ignition Coil parts for the 2021 Chevrolet Suburban come from 14 brands — WALKER PRODUCTS, SKP, SPECTRA PREMIUM and 11 other brands. The "Popular" part is SKP SKUF742.

The Economy section: 7 options from SKP, SPECTRA PREMIUM, AUTOTECNICA and 2 other brands. SKP SKUF742 is listed in this group.

In the Premium grade, DELPHI and ASTEMO / HITACHI supply 3 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is DELPHI GN10639.

Standard Replacement: 15 parts, from WALKER PRODUCTS, NGK, DENSO and 4 other brands. A representative part number is NGK 48881.

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

9 Spark Plug parts are listed for the 2021 Chevrolet Suburban, from NGK, DENSO, ACDELCO and 2 other brands. ACDELCO 41168 carries the "Popular" badge.

The Iridium (lasts up to 4x longer than Copper / Nickel) section lists 7 options from NGK, DENSO, ACDELCO and 2 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. ACDELCO 41168 is listed in this group.

In the Platinum (lasts up to 2x longer than Copper / Nickel) grade, NGK 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 NGK 5019.

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 90220.

This group includes ACDELCO 41168, NGK 4344 and BOSCH 96307 and the remaining parts above.

This table covers the Spark Plug wires. Read more

18 Spark Plug Wire parts for the 2021 Chevrolet Suburban come from 5 brands — WALKER PRODUCTS, UNITED MOTOR PRODUCTS, STANDARD MOTOR PRODUCTS and 2 other brands. The "Popular" part is UNITED MOTOR PRODUCTS 7828.

The Economy section: 2 options from SKP and STANDARD MOTOR PRODUCTS. SKP SK19431551 is listed in this group.

The High Performance (Lowest Resistance) section lists 7 options from WALKER PRODUCTS — engineered beyond original-equipment specification. WALKER PRODUCTS 9246001 is listed in this group.

Premium: 5 parts, from UNITED MOTOR PRODUCTS and STANDARD MOTOR PRODUCTS. A representative part number is UNITED MOTOR PRODUCTS 7828.

Standard Replacement: 4 parts, from GM GENUINE, STANDARD MOTOR PRODUCTS and WALKER PRODUCTS. A representative part number is GM GENUINE 19431551.