The 2025 Ram 2500 has 34 ignition parts with verified fitment on this page — 8 part types and 12 brands, covering both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged. Each part includes a manufacturer part number and application notes.
On the 2025 Ram 2500, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. 23 parts of the 34 listed are Camshaft Position Sensor (8 parts), Crankshaft Position Sensor (8 parts) and Spark Plug (7 parts). The other 5 part types cover the remaining 11 parts.
The 2025 Ram 2500 was sold with both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2025 Ram 2500 ignition parts are STANDARD MOTOR PRODUCTS (8 parts), MOPAR (8 parts) and HOLSTEIN (3 parts), plus 9 more brands. Quality grades include Economy, Standard Replacement and Iridium.
8 parts on this 2025 Ram 2500 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including MOPAR 5149054AC (Camshaft Position Sensor) and MOPAR 68140678AB (Crankshaft Position Sensor). Click any part number to see every vehicle that part fits.
Camshaft Position Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN Fits: 6.4L V8 | 2CAM0519 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 6.4L V8 | PC823T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Popular Fits: 6.4L V8 | 5149054AC | 🇺🇸 US 🇨🇦 CA | Fits HEMI Upgrade HD EngineCrew Cab | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: 6.4L V8 | PC823 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HELLA Fits: 6.4L V8 | 358380381 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WALKER PRODUCTS Fits: 6.4L V8 | 2351288 | 🇺🇸 US 🇨🇦 CA | Sensor Only | View on Amazon |
| WELLS Fits: 6.4L V8 | 5S11768 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 6.7L L6 DIESEL Turbocharged | 68581416AB | 🇺🇸 US 🇨🇦 CA | Fits Cummins engine HO EngineExport Emissions, Euro Stage 6B Emissions | 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.
8 Camshaft Position Sensor parts are listed for the 2025 Ram 2500, from STANDARD MOTOR PRODUCTS, MOPAR, HOLSTEIN and 3 other brands. MOPAR 5149054AC carries the "Popular" badge.
In the Economy grade, HOLSTEIN and STANDARD MOTOR PRODUCTS supply 2 parts: the catalog's value-priced group. A representative part number is HOLSTEIN 2CAM0519.
The Standard Replacement section lists 5 options from MOPAR, STANDARD MOTOR PRODUCTS, HELLA and 2 other brands — built to original-equipment specification. MOPAR 5149054AC is listed in this group.
1 ungrouped part is not assigned to a grade, with the same engine-level match.
Listed part numbers: MOPAR 5149054AC, HOLSTEIN 2CAM0519 and STANDARD MOTOR PRODUCTS PC823T, plus the other parts above.
Condenser / Capacitor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 6.4L V8 | 56028644AC | 🇺🇸 US 🇨🇦 CA | Fits HEMI Upgrade HD EngineCrew Cab | View on Amazon |
This table covers the capacitors used in this electrical or A/C circuit.
One part is listed for the 2025 Ram 2500 — MOPAR 56028644AC.
Crankshaft Position Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN Fits: 6.4L V8 | 2CRK0359 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ULTRA-POWER Fits: 6.4L V8 | PC987 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Popular Fits: 6.4L V8 | 68140678AB | 🇺🇸 US 🇨🇦 CA | Fits HEMI Upgrade HD EngineCrew Cab | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: 6.4L V8 | PC987 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WALKER PRODUCTS Fits: 6.4L V8 | 2351666 | 🇺🇸 US 🇨🇦 CA | Sensor Only | View on Amazon |
| WELLS Fits: 6.4L V8 | 5S13522 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 6.7L L6 DIESEL Turbocharged | 68581417AB | 🇺🇸 US 🇨🇦 CA | Fits Cummins engine HO EngineExport Emissions, Euro Stage 6B Emissions | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged | PC1269 | 🇺🇸 US 🇨🇦 CA | 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.
8 Crankshaft Position Sensor parts are listed for the 2025 Ram 2500, from MOPAR, STANDARD MOTOR PRODUCTS, HOLSTEIN and 3 other brands. MOPAR 68140678AB carries the "Popular" badge.
Economy: 2 parts, from HOLSTEIN and ULTRA-POWER. A representative part number is HOLSTEIN 2CRK0359.
The Standard Replacement section: 4 options from MOPAR, STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and 1 other brand. MOPAR 68140678AB is listed in this group.
2 ungrouped parts are not assigned to a grade, with the same engine-level match.
This group includes MOPAR 68140678AB, HOLSTEIN 2CRK0359 and ULTRA-POWER PC987 and the remaining parts above.
Diesel Glow Plug Controller
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 6.7L L6 DIESEL Turbocharged | 68651770AB | 🇺🇸 US 🇨🇦 CA | Glow Plug Module | View on Amazon |
This table covers the controllers that fire the glow plugs.
This group shows a single part: MOPAR 68651770AB.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Popular Fits: 6.4L V8 | SKIC102 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Popular Fits: 6.4L V8 | UF504T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
| FVP Fits: 6.4L V8 | UF504F | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HOLSTEIN Fits: 6.4L V8 | 2IGC0173 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ULTRA-POWER Fits: 6.4L V8 | UF504 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 6.4L V8 | UF504 | 🇺🇸 US 🇨🇦 CA | Blue Streak | 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.
6 Ignition Coil parts are listed for the 2025 Ram 2500, from STANDARD MOTOR PRODUCTS, SKP, FVP and 2 other brands. SKP SKIC102 carries the "Popular" badge.
Economy: 5 parts, from SKP, STANDARD MOTOR PRODUCTS, FVP and 2 other brands. A representative part number is SKP SKIC102.
The Premium section lists 1 option from STANDARD MOTOR PRODUCTS — a step above OE specification in materials, tolerances or warranty terms. STANDARD MOTOR PRODUCTS UF504 is listed in this group.
Part numbers include SKP SKIC102, STANDARD MOTOR PRODUCTS UF504T and FVP UF504F, among others listed above.
Spark Plug
Summary: Notes include pre-set gaps of 0.040", 0.043", 0.044" and 0.054". Replacement brands in this table include NGK, BOSCH and CHAMPION.
Iridium (lasts up to 4x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH Fits: 6.4L V8 | 96311 | 🇺🇸 US 🇨🇦 CA | OE Fine Wire Double IridiumPre-Set Gap: 0.044" | View on Amazon |
| BOSCH Fits: 6.4L V8 | 9746 | 🇺🇸 US 🇨🇦 CA | OE Fine Wire IridiumPre-Set Gap: 0.044" | View on Amazon |
| CHAMPION Fits: 6.4L V8 | 9055 | 🇺🇸 US 🇨🇦 CA | IridiumPre-Set Gap: 0.054" | View on Amazon |
| MOPAR Fits: 6.4L V8 | 68138239AC | 🇺🇸 US 🇨🇦 CA | Fits HEMI Upgrade HD EngineCrew Cab | View on Amazon |
| NGK Fits: 6.4L V8 | 96779 | 🇺🇸 US 🇨🇦 CA | 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 Fits: 6.4L V8 | 5018 | 🇺🇸 US 🇨🇦 CA | G-PowerPre-Set Gap: 0.040" | View on Amazon |
Ruthenium (maximum durability & ignitability)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK Popular Fits: 6.4L V8 | 96355 | 🇺🇸 US 🇨🇦 CA | 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.
7 Spark Plug parts for the 2025 Ram 2500 come from 4 brands — NGK, BOSCH, CHAMPION and 1 other brand. The "Popular" part is NGK 5018.
In the Iridium (lasts up to 4x longer than Copper / Nickel) grade, BOSCH, CHAMPION, MOPAR and 1 other brand supply 5 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 BOSCH 96311.
The Platinum (lasts up to 2x longer than Copper / Nickel) section lists 1 option from NGK — 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 5018 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 96355 is listed in this group.
This group includes NGK 5018, BOSCH 96311 and BOSCH 9746 and the remaining parts above.
Spark Plug / Ignition Coil Boot
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 6.4L V8 | 20521 | 🇺🇸 US 🇨🇦 CA | Federal Wire | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 6.4L V8 | SPP217E | 🇺🇸 US 🇨🇦 CA | 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 2025 Ram 2500.
Economy: 1 part, from STANDARD MOTOR PRODUCTS. A representative part number is STANDARD MOTOR PRODUCTS 20521.
The Standard Replacement section: 1 option from STANDARD MOTOR PRODUCTS. STANDARD MOTOR PRODUCTS SPP217E is listed in this group.
This group includes STANDARD MOTOR PRODUCTS 20521 and STANDARD MOTOR PRODUCTS SPP217E.
Spark Plug Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 6.4L V8 | 53021569AD | 🇺🇸 US 🇨🇦 CA | Spark Plug Well Gasket | View on Amazon |
This table covers the gaskets that seal the Spark Plug. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
One part is listed for the 2025 Ram 2500 — MOPAR 53021569AD.
Buying Ignition Parts for a 2025 Ram 2500
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Match the engine first. Every ignition part here is engine-specific; each row shows which engine(s) it fits.
- 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: Camshaft Position Sensor and Crankshaft Position Sensor .
Frequently Asked Questions
How many ignition parts fit the 2025 Ram 2500?
Our catalog currently lists 34 ignition parts for the 2025 Ram 2500 across 8 subcategories and 12 brands, covering both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged. Each part is matched to the engine(s) it fits.
Do ignition parts differ between 2025 Ram 2500 engines?
Yes. Every ignition part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of ignition problems on a 2025 Ram 2500?
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 2025 Ram 2500?
Notes on this page include pre-set gaps of 0.040", 0.043", 0.044" and 0.054". 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 2025 Ram 2500 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 2025 Ram 2500?
First match the engine — each row shows which engine(s) the part fits. 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 2025 Ram 2500
Ignition Parts for Other Ram 2500 Years
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