2021 Ram 3500 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 Ram 3500 come from 11 brands — STANDARD MOTOR PRODUCTS, NTK, WALKER PRODUCTS and 8 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS PC823T.

The Economy section lists 4 options from STANDARD MOTOR PRODUCTS, DORMAN, HOLSTEIN and 1 other brand — the catalog's value-priced group. STANDARD MOTOR PRODUCTS PC823T is listed in this group.

In the Standard Replacement grade, WALKER PRODUCTS, MOPAR, STANDARD MOTOR PRODUCTS and 5 other brands supply 9 parts: built to original-equipment specification. A representative part number is MOPAR 5149054AC.

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

This table covers the capacitors used in this electrical or A/C circuit. Read more

2 Condenser / Capacitor parts for the 2021 Ram 3500 come from 2 brands — MOPAR and WELLS.

Part numbers include MOPAR 56028644AC and WELLS 1B1018.

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 Ram 3500 come from 9 brands — WALKER PRODUCTS, STANDARD MOTOR PRODUCTS, DORMAN and 6 other brands. The "Popular" part is MOPAR 68140678AB.

The Economy section: 4 options from DORMAN, HOLSTEIN, SPECTRA PREMIUM and 1 other brand. DORMAN 907792 is listed in this group.

Standard Replacement: 6 parts, from WALKER PRODUCTS, MOPAR, STANDARD MOTOR PRODUCTS and 2 other brands. A representative part number is MOPAR 68140678AB.

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

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

19 Ignition Coil parts for the 2021 Ram 3500 come from 15 brands — STANDARD MOTOR PRODUCTS, NGK, SKP and 12 other brands. The "Popular" part is SKP SKIC102.

The Economy section: 9 options from STANDARD MOTOR PRODUCTS, SKP, B&B and 5 other brands. SKP SKIC102 is listed in this group.

In the Premium grade, ASTEMO / HITACHI, DELPHI and STANDARD MOTOR PRODUCTS supply 3 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is ASTEMO / HITACHI IGC0164.

Standard Replacement: 7 parts, from NGK, DENSO, UNITED MOTOR PRODUCTS and 2 other brands. A representative part number is DENSO 6735202.

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 are listed for the 2021 Ram 3500, from NGK, DENSO, CHAMPION and 3 other brands. CHAMPION 446 carries the "Popular" badge.

In the Copper / Nickel grade, CHAMPION 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 CHAMPION 446.

The Iridium (lasts up to 4x longer than Copper / Nickel) section lists 9 options from DENSO, NGK, BOSCH 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. NGK 4469 is listed in this group.

In the Platinum (lasts up to 2x longer than Copper / Nickel) grade, ACDELCO and NGK supply 2 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 ACDELCO 20.

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

2 Spark Plug / Ignition Coil Boot parts for the 2021 Ram 3500 come from STANDARD MOTOR PRODUCTS.

The Economy section: 1 option from STANDARD MOTOR PRODUCTS. STANDARD MOTOR PRODUCTS 20521 is listed in this group.

Standard Replacement: 1 part, from STANDARD MOTOR PRODUCTS. A representative part number is STANDARD MOTOR PRODUCTS SPP217E.

This group includes STANDARD MOTOR PRODUCTS 20521 and STANDARD MOTOR PRODUCTS SPP217E.