5 Best 2019 Ram 1500 5.7 Hemi spark plugs in 2026: Fitment Picks
The 2019 Ram 1500 5.7L Hemi uses sixteen spark plugs, two per cylinder. This list compares plug-only sets; combined ignition-coil kits are a separate purchase decision.
2026 fitment update: The 5.7L Hemi uses 16 plugs. Confirm 2019 Classic versus new-body application, exact OE cross-reference, heat range and plug gap from the VIN/service data. Bing asked for Bosch and plugs with coils; this plug-only comparison does not verify a Bosch option or a combined coil kit.
Quick 2019 Ram 1500 5.7 Hemi Spark Plugs Comparison – 2026 Picks
| Image | Product | Fitment | Key feature | Best for | Details |
|---|---|---|---|---|---|
 | 1. NGK Iridium IX 16-plug set | 2019 5.7L: verify exact plug code | 16-plug iridium set | Application-specific choice | View on Amazon |
 | 2. Champion Iridium 16-plug set | Listed 2011–2024 5.7L; confirm VIN | 16-plug iridium set | Application-specific choice | View on Amazon |
 | 3. NGK Ruthenium HX 16-plug set | Listed 2011–2024 5.7L; confirm VIN | 16-plug ruthenium set | Application-specific choice | View on Amazon |
 | 4. E3 16-plug set | Listed 2011–2024 5.7L; confirm VIN | 16-plug set | Application-specific choice | View on Amazon |
 | 5. ENA Iridium Platinum 16-plug set | Listing includes 2019 5.7L; confirm VIN | 16-plug iridium/platinum set | Application-specific choice | View on Amazon |
Our Top 5 2019 Ram 1500 5.7 Hemi Spark Plugs Reviews – Fitment Compared
1. NGK Iridium IX 16-plug set
NGK Iridium IX 16-plug set is an Amazon-listed 16-plug iridium set option. 2019 5.7L: verify exact plug code. The 5.7L Hemi uses 16 plugs. Confirm 2019 Classic versus new-body application, exact OE cross-reference, heat range and plug gap from the VIN/service data.
Key Features That Stand Out
- ✓ Application: 2019 5.7L: verify exact plug code.
- ✓ Product type: 16-plug iridium set.
- ✓ Fitment check: The 5.7L Hemi uses 16 plugs. Confirm 2019 Classic versus new-body application, exact OE cross-reference, heat range and plug gap from the VIN/service data.
- ✓ Evidence: current listing; no hands-on test claimed.
- ✓ Ordering: confirm package contents and return terms.
Why We Recommend It
The useful distinction is its stated application: 2019 5.7L: verify exact plug code. Confirm the current seller listing and vehicle details before ordering.
Performance evidence and limits
The listing identifies the product type as 16-plug iridium set. No independent road, lab, or durability test was performed for this article.
Best For
Best for an owner whose exact vehicle matches the listing. The 5.7L Hemi uses 16 plugs. Confirm 2019 Classic versus new-body application, exact OE cross-reference, heat range and plug gap from the VIN/service data.
Editorial fitment note
Limit: a listing title alone cannot prove fitment, performance gains, installation time or long-term reliability. Check the maker catalog and return terms.
2. Champion Iridium 16-plug set
Champion Iridium 16-plug set is an Amazon-listed 16-plug iridium set option. Listed 2011–2024 5.7L; confirm VIN. The 5.7L Hemi uses 16 plugs. Confirm 2019 Classic versus new-body application, exact OE cross-reference, heat range and plug gap from the VIN/service data.
Key Features That Stand Out
- ✓ Application: Listed 2011–2024 5.7L; confirm VIN.
- ✓ Product type: 16-plug iridium set.
- ✓ Fitment check: The 5.7L Hemi uses 16 plugs. Confirm 2019 Classic versus new-body application, exact OE cross-reference, heat range and plug gap from the VIN/service data.
- ✓ Evidence: current listing; no hands-on test claimed.
- ✓ Ordering: confirm package contents and return terms.
Why We Recommend It
The useful distinction is its stated application: Listed 2011–2024 5.7L; confirm VIN. Confirm the current seller listing and vehicle details before ordering.
Performance evidence and limits
The listing identifies the product type as 16-plug iridium set. No independent road, lab, or durability test was performed for this article.
Best For
Best for an owner whose exact vehicle matches the listing. The 5.7L Hemi uses 16 plugs. Confirm 2019 Classic versus new-body application, exact OE cross-reference, heat range and plug gap from the VIN/service data.
Editorial fitment note
Limit: a listing title alone cannot prove fitment, performance gains, installation time or long-term reliability. Check the maker catalog and return terms.
3. NGK Ruthenium HX 16-plug set
NGK Ruthenium HX 16-plug set is an Amazon-listed 16-plug ruthenium set option. Listed 2011–2024 5.7L; confirm VIN. The 5.7L Hemi uses 16 plugs. Confirm 2019 Classic versus new-body application, exact OE cross-reference, heat range and plug gap from the VIN/service data.
Key Features That Stand Out
- ✓ Application: Listed 2011–2024 5.7L; confirm VIN.
- ✓ Product type: 16-plug ruthenium set.
- ✓ Fitment check: The 5.7L Hemi uses 16 plugs. Confirm 2019 Classic versus new-body application, exact OE cross-reference, heat range and plug gap from the VIN/service data.
- ✓ Evidence: current listing; no hands-on test claimed.
- ✓ Ordering: confirm package contents and return terms.
Why We Recommend It
The useful distinction is its stated application: Listed 2011–2024 5.7L; confirm VIN. Confirm the current seller listing and vehicle details before ordering.
Performance evidence and limits
The listing identifies the product type as 16-plug ruthenium set. No independent road, lab, or durability test was performed for this article.
Best For
Best for an owner whose exact vehicle matches the listing. The 5.7L Hemi uses 16 plugs. Confirm 2019 Classic versus new-body application, exact OE cross-reference, heat range and plug gap from the VIN/service data.
Editorial fitment note
Limit: a listing title alone cannot prove fitment, performance gains, installation time or long-term reliability. Check the maker catalog and return terms.
4. E3 16-plug set
E3 16-plug set is an Amazon-listed 16-plug set option. Listed 2011–2024 5.7L; confirm VIN. The 5.7L Hemi uses 16 plugs. Confirm 2019 Classic versus new-body application, exact OE cross-reference, heat range and plug gap from the VIN/service data.
Key Features That Stand Out
- ✓ Application: Listed 2011–2024 5.7L; confirm VIN.
- ✓ Product type: 16-plug set.
- ✓ Fitment check: The 5.7L Hemi uses 16 plugs. Confirm 2019 Classic versus new-body application, exact OE cross-reference, heat range and plug gap from the VIN/service data.
- ✓ Evidence: current listing; no hands-on test claimed.
- ✓ Ordering: confirm package contents and return terms.
Why We Recommend It
The useful distinction is its stated application: Listed 2011–2024 5.7L; confirm VIN. Confirm the current seller listing and vehicle details before ordering.
Performance evidence and limits
The listing identifies the product type as 16-plug set. No independent road, lab, or durability test was performed for this article.
Best For
Best for an owner whose exact vehicle matches the listing. The 5.7L Hemi uses 16 plugs. Confirm 2019 Classic versus new-body application, exact OE cross-reference, heat range and plug gap from the VIN/service data.
Editorial fitment note
Limit: a listing title alone cannot prove fitment, performance gains, installation time or long-term reliability. Check the maker catalog and return terms.
5. ENA Iridium Platinum 16-plug set
ENA Iridium Platinum 16-plug set is an Amazon-listed 16-plug iridium/platinum set option. Listing includes 2019 5.7L; confirm VIN. The 5.7L Hemi uses 16 plugs. Confirm 2019 Classic versus new-body application, exact OE cross-reference, heat range and plug gap from the VIN/service data.
Key Features That Stand Out
- ✓ Application: Listing includes 2019 5.7L; confirm VIN.
- ✓ Product type: 16-plug iridium/platinum set.
- ✓ Fitment check: The 5.7L Hemi uses 16 plugs. Confirm 2019 Classic versus new-body application, exact OE cross-reference, heat range and plug gap from the VIN/service data.
- ✓ Evidence: current listing; no hands-on test claimed.
- ✓ Ordering: confirm package contents and return terms.
Why We Recommend It
The useful distinction is its stated application: Listing includes 2019 5.7L; confirm VIN. Confirm the current seller listing and vehicle details before ordering.
Performance evidence and limits
The listing identifies the product type as 16-plug iridium/platinum set. No independent road, lab, or durability test was performed for this article.
Best For
Best for an owner whose exact vehicle matches the listing. The 5.7L Hemi uses 16 plugs. Confirm 2019 Classic versus new-body application, exact OE cross-reference, heat range and plug gap from the VIN/service data.
Editorial fitment note
Limit: a listing title alone cannot prove fitment, performance gains, installation time or long-term reliability. Check the maker catalog and return terms.
Complete Buying Guide for Best Spark Plugs For 2019 Ram 1500 5.7 Hemi
Essential Factors We Consider
Confirm the exact plug manufacturer code, heat range and gap against the VIN and service manual. The 2019 Classic and new-body trucks may have different catalog paths.
- Iridium, ruthenium and other materials do not by themselves prove a horsepower gain or a universal lifespan. Diagnosis and the correct application matter more than marketing labels.
- If a misfire remains after plug service, diagnose the coil, wiring, injector and mechanical condition rather than assuming plugs were the only cause.
- A 16-pack can cover the full Hemi V8 when the exact part is correct. Inspect package quantity and seller terms on the current listing.
- The 2019 Ram 1500 5.7L Hemi uses sixteen spark plugs, two per cylinder. This list compares plug-only sets; combined ignition-coil kits are a separate purchase decision.
- Confirm the exact plug manufacturer code, heat range and gap against the VIN and service manual. The 2019 Classic and new-body trucks may have different catalog paths.
- Iridium, ruthenium and other materials do not by themselves prove a horsepower gain or a universal lifespan. Diagnosis and the correct application matter more than marketing labels.
- If a misfire remains after plug service, diagnose the coil, wiring, injector and mechanical condition rather than assuming plugs were the only cause.
- A 16-pack can cover the full Hemi V8 when the exact part is correct. Inspect package quantity and seller terms on the current listing.
- The 2019 Ram 1500 5.7L Hemi uses sixteen spark plugs, two per cylinder. This list compares plug-only sets; combined ignition-coil kits are a separate purchase decision.
- Confirm the exact plug manufacturer code, heat range and gap against the VIN and service manual. The 2019 Classic and new-body trucks may have different catalog paths.
- Iridium, ruthenium and other materials do not by themselves prove a horsepower gain or a universal lifespan. Diagnosis and the correct application matter more than marketing labels.
Budget Planning
If a misfire remains after plug service, diagnose the coil, wiring, injector and mechanical condition rather than assuming plugs were the only cause.
- A 16-pack can cover the full Hemi V8 when the exact part is correct. Inspect package quantity and seller terms on the current listing.
- The 2019 Ram 1500 5.7L Hemi uses sixteen spark plugs, two per cylinder. This list compares plug-only sets; combined ignition-coil kits are a separate purchase decision.
- Confirm the exact plug manufacturer code, heat range and gap against the VIN and service manual. The 2019 Classic and new-body trucks may have different catalog paths.
Iridium, ruthenium and other materials do not by themselves prove a horsepower gain or a universal lifespan. Diagnosis and the correct application matter more than marketing labels.
Final Thoughts
If a misfire remains after plug service, diagnose the coil, wiring, injector and mechanical condition rather than assuming plugs were the only cause.
Frequently Asked Questions
Q: How many spark plugs does a 2019 Ram 1500 5.7 Hemi need?
A 16-pack can cover the full Hemi V8 when the exact part is correct. Inspect package quantity and seller terms on the current listing.
Q: How often should I change the spark plugs in my 2019 Ram 1500 5.7 Hemi?
The 2019 Ram 1500 5.7L Hemi uses sixteen spark plugs, two per cylinder. This list compares plug-only sets; combined ignition-coil kits are a separate purchase decision.
Q: What are the symptoms of bad spark plugs in a 5.7 Hemi?
Confirm the exact plug manufacturer code, heat range and gap against the VIN and service manual. The 2019 Classic and new-body trucks may have different catalog paths.
Q: Should I replace ignition coils at the same time as spark plugs?
Iridium, ruthenium and other materials do not by themselves prove a horsepower gain or a universal lifespan. Diagnosis and the correct application matter more than marketing labels.
Q: Are pre-gapped spark plugs suitable for my 2019 Ram 1500 5.7 Hemi?
If a misfire remains after plug service, diagnose the coil, wiring, injector and mechanical condition rather than assuming plugs were the only cause.
Q: Will changing my spark plugs improve my Hemi’s fuel economy?
A 16-pack can cover the full Hemi V8 when the exact part is correct. Inspect package quantity and seller terms on the current listing.
The 2019 Ram 1500 5.7L Hemi uses sixteen spark plugs, two per cylinder. This list compares plug-only sets; combined ignition-coil kits are a separate purchase decision.
Product listings and Amazon image URLs checked October 8, 2026. As an Amazon Associate, Truckguider may earn from qualifying purchases. Verify fitment before buying.
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