The 2021 Nissan Sentra has 22 ignition parts with verified fitment on this page — 4 part types and 14 brands, covering the 2.0L L4 engine. Each part includes a manufacturer part number and application notes.
The ignition system on the 2021 Nissan Sentra delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. The largest groups are Camshaft Position Sensor (10 parts), Ignition Coil (5 parts) and Spark Plug (5 parts). The other 1 part type covers the remaining 2 parts.
Every part on this page is matched to the 2.0L L4 — the only engine offered in the 2021 Nissan Sentra.
The most listed brands for 2021 Nissan Sentra ignition parts are STANDARD MOTOR PRODUCTS (4 parts), NGK (4 parts) and DELPHI (2 parts), plus 11 more brands. Quality grades include Standard Replacement, Iridium and Economy.
4 parts on this 2021 Nissan Sentra page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including STANDARD MOTOR PRODUCTS PC774T (Camshaft Position Sensor) and DELPHI GN11154 (Ignition Coil). 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 | PC774T | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | T-Series | View on Amazon |
| HOLSTEIN | 2CAM0165 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| PRENCO | 4E1167 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | PC774 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| ASTEMO / HITACHI | CPS0144 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Gender: Male | View on Amazon |
| DELPHI | SS11917 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HELLA | 358380621 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | S Model or SR Model or SV Model | View on Amazon |
| NTK | EC0334 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WALKER PRODUCTS | 2351286 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Sensor Only | View on Amazon |
| WELLS | 5S8938 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Mounting Bracket Included: No | 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.
10 Camshaft Position Sensor parts are listed for the 2021 Nissan Sentra, from STANDARD MOTOR PRODUCTS, HOLSTEIN, PRENCO and 6 other brands. STANDARD MOTOR PRODUCTS PC774T carries the "Popular" badge.
In the Economy grade, STANDARD MOTOR PRODUCTS, HOLSTEIN and PRENCO supply 3 parts: the catalog's value-priced group. A representative part number is STANDARD MOTOR PRODUCTS PC774T.
The Standard Replacement section lists 7 options from STANDARD MOTOR PRODUCTS, ASTEMO / HITACHI, DELPHI and 4 other brands — built to original-equipment specification. STANDARD MOTOR PRODUCTS PC774 is listed in this group.
Crankshaft Position Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | PC923 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WELLS | 5S17934 | 🇺🇸 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.
2 Crankshaft Position Sensor parts are listed for the 2021 Nissan Sentra, from STANDARD MOTOR PRODUCTS and WELLS.
Part numbers include STANDARD MOTOR PRODUCTS PC923 and WELLS 5S17934.
Ignition Coil
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DELPHI Popular | GN11154 | 🇺🇸 US 🇨🇦 CA | S Model or SR Model or SV Model | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY | 1788611 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| DENSO | 6734237 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Direct Ignition Coil or Coil On Plug | View on Amazon |
| STANDARD MOTOR PRODUCTS | UF923 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| UNITED MOTOR PRODUCTS | COP743 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
5 Ignition Coil parts are listed for the 2021 Nissan Sentra, from DELPHI, BECK/ARNLEY, DENSO and 2 other brands. DELPHI GN11154 carries the "Popular" badge.
The Premium section lists 1 option from DELPHI — a step above OE specification in materials, tolerances or warranty terms. DELPHI GN11154 is listed in this group.
The Standard Replacement section: 4 options from BECK/ARNLEY, DENSO, STANDARD MOTOR PRODUCTS and 1 other brand. BECK/ARNLEY 1788611 is listed in this group.
This group includes DELPHI GN11154, BECK/ARNLEY 1788611 and DENSO 6734237 and the remaining parts above.
Spark Plug
Summary: Notes include a 0.044" pre-set gap. Replacement brands in this table include NGK and BOSCH.
Iridium (lasts up to 4x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK Popular | 93501 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Iridium IXPre-Set Gap: 0.044" | View on Amazon |
| BOSCH | 9621 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OE Fine Wire Double IridiumPre-Set Gap: 0.044" | View on Amazon |
| NGK | 93802 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Laser Iridium High Ignitability | View on Amazon |
| NGK | DILKAR7Q11 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Laser Iridium High Ignitability | View on Amazon |
Ruthenium (maximum durability & ignitability)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK | 92274 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Ruthenium HX High IgnitabilityHex Size: 14mm | 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.
5 Spark Plug parts for the 2021 Nissan Sentra come from 2 brands — NGK and BOSCH. The "Popular" part is NGK 93501.
In the Iridium (lasts up to 4x longer than Copper / Nickel) grade, NGK and BOSCH supply 4 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 93501.
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 92274 is listed in this group.
This group includes NGK 93501, BOSCH 9621 and NGK 93802 and the remaining parts above.
Buying Ignition Parts for a 2021 Nissan Sentra
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 2.0L L4 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: Camshaft Position Sensor and Ignition Coil .
Frequently Asked Questions
How many ignition parts fit the 2021 Nissan Sentra?
Our catalog currently lists 22 ignition parts for the 2021 Nissan Sentra across 4 subcategories and 14 brands, covering the 2.0L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 2021 Nissan Sentra?
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 Nissan Sentra?
Notes on this page include a 0.044" pre-set gap. 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 Nissan Sentra 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 Nissan Sentra?
Every part on this page is matched to the 2.0L L4 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 Nissan Sentra
Ignition Parts for Other Nissan Sentra Years
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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.