The 2018 GMC Canyon has 98 ignition parts with verified fitment on this page — 9 part types and 23 brands, covering all 3 engine options (2.5L L4, 2.8L L4 DIESEL Turbocharged and 3.6L V6). Each part includes a manufacturer part number and application notes.
On the 2018 GMC Canyon, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. Most of the listed parts are Ignition Coil (26 parts), Spark Plug (21 parts) and Camshaft Position Sensor (19 parts). The other 6 part types cover the remaining 32 parts.
The 2018 GMC Canyon was sold with 3 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2018 GMC Canyon ignition parts are GM GENUINE (12 parts), STANDARD MOTOR PRODUCTS (11 parts) and NGK (8 parts), plus 20 more brands. Quality grades include Standard Replacement, Economy and Iridium.
20 parts on this 2018 GMC Canyon page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including DELPHI SS11963 (Camshaft Position Sensor) and SHEE-MAR SM303 (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: 2.5L L4 | 2CAM0408 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HOLSTEIN Fits: 3.6L V6 | 2CAM0581 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| PRENCO Fits: 2.5L L4 | 4E1256 | 🇺🇸 US 🇨🇦 CA | with Bolt & Sealwith Retainer | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 3.6L V6 | CAM388 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VEMO Fits: 2.5L L4 | V51720095 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DELPHI Popular Fits: 2.5L L4 | SS11963 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GM GENUINE Popular Fits: 2.5L L4 | 12638266 | 🇺🇸 US 🇨🇦 CA | with Bolt, Retainer, Seal, and Sensor | View on Amazon |
| GM GENUINE Popular Fits: 3.6L V6 | 12646782 | 🇺🇸 US 🇨🇦 CA | Base Model or Denali or SLE Model or SLT Modelwith Seal | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: 3.6L V6 | PC1113 | 🇺🇸 US 🇨🇦 CA | Mounting Bracket(s) Included: Yes | View on Amazon |
| WALKER PRODUCTS Popular Fits: 2.5L L4 | 2351770 | 🇺🇸 US 🇨🇦 CA | Includes Bolt, Retainer and SealSensor Only | View on Amazon |
| ASTEMO / HITACHI Fits: 2.5L L4 | CPS0249 | 🇺🇸 US 🇨🇦 CA | Mounting Method: 1 Bolt | View on Amazon |
| ASTEMO / HITACHI Fits: 3.6L V6 | CPS0150 | 🇺🇸 US 🇨🇦 CA | Terminal Type: Pin | View on Amazon |
| NTK Fits: 2.5L L4 | EC0217 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | PC1006 | 🇺🇸 US 🇨🇦 CA | Requires Programming | View on Amazon |
| WALKER PRODUCTS Fits: 3.6L V6 | 2351886 | 🇺🇸 US 🇨🇦 CA | Sensor OnlyIncludes Seal | View on Amazon |
| WELLS Fits: 2.5L L4 | 5S13797 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS Fits: 3.6L V6 | 5S15061 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DELPHI Fits: 3.6L V6 | SS12344 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DORMAN Fits: 2.5L L4 | 962055 | 🇺🇸 US 🇨🇦 CA | 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.
19 Camshaft Position Sensor parts are listed for the 2018 GMC Canyon, from HOLSTEIN, DELPHI, GM GENUINE and 9 other brands. DELPHI SS11963 carries the "Popular" badge.
In the Economy grade, HOLSTEIN, PRENCO, UNITED MOTOR PRODUCTS and 1 other brand supply 5 parts: the catalog's value-priced group. A representative part number is HOLSTEIN 2CAM0408.
The Standard Replacement section lists 12 options from GM GENUINE, STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and 4 other brands — built to original-equipment specification. DELPHI SS11963 is listed in this group.
2 ungrouped parts are not assigned to a grade, with the same engine-level match.
Camshaft Position Sensor Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 2.5L L4, 3.6L V6 | 12626252 | 🇺🇸 US 🇨🇦 CA | Color: Orange | View on Amazon |
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.
This group shows a single part: GM GENUINE 12626252.
Crankshaft Position Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SHEE-MAR Popular Fits: 2.5L L4 | SM303 | 🇺🇸 US 🇨🇦 CA | 128.3" Wheelbase | View on Amazon |
| DORMAN Fits: 2.5L L4 | 962604 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HOLSTEIN Fits: 2.5L L4 | 2CRK0542 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HOLSTEIN Fits: 3.6L V6 | 2CRK0730 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| PRENCO Fits: 2.5L L4 | 4D1369 | 🇺🇸 US 🇨🇦 CA | Includes Seal | View on Amazon |
| SPECTRA PREMIUM Fits: 2.5L L4 | S10400 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SPECTRA PREMIUM Fits: 3.6L V6 | S10568 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DELPHI Popular Fits: 2.5L L4 | SS12172 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GM GENUINE Popular Fits: 3.6L V6 | 12646781 | 🇺🇸 US 🇨🇦 CA | Base Model or Denali or SLE Model or SLT Modelwith Seal | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: 2.5L L4 | PC977 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Popular Fits: 3.6L V6 | PC1112 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ASTEMO / HITACHI Fits: 2.5L L4 | CPS0167 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ASTEMO / HITACHI Fits: 3.6L V6 | CPS0151 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DELPHI Fits: 3.6L V6 | SS12343 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GM GENUINE Fits: 2.5L L4 | 12674702 | 🇺🇸 US 🇨🇦 CA | IF NEEDED CONNECTOR IS 84601390without BOLT AND RETAINER | View on Amazon |
| WALKER PRODUCTS Fits: 2.5L L4 | 2351769 | 🇺🇸 US 🇨🇦 CA | Sensor OnlyIncludes Seal | View on Amazon |
| WALKER PRODUCTS Fits: 3.6L V6 | 2351885 | 🇺🇸 US 🇨🇦 CA | Sensor OnlyIncludes Seal | View on Amazon |
| WELLS Fits: 2.5L L4 | 5S13805 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS Fits: 3.6L V6 | 5S15176 | 🇺🇸 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.
19 Crankshaft Position Sensor parts are listed for the 2018 GMC Canyon, from HOLSTEIN, SPECTRA PREMIUM, DELPHI and 8 other brands. SHEE-MAR SM303 carries the "Popular" badge.
Economy: 7 parts, from HOLSTEIN, SPECTRA PREMIUM, SHEE-MAR and 2 other brands. A representative part number is SHEE-MAR SM303.
The Standard Replacement section: 12 options from DELPHI, GM GENUINE, STANDARD MOTOR PRODUCTS and 3 other brands. DELPHI SS12172 is listed in this group.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Popular Fits: 2.5L L4 | SKUF680 | 🇺🇸 US 🇨🇦 CA | Coil on Plug | View on Amazon |
| B&B Fits: 2.5L L4 | BB2680 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| B&B Fits: 3.6L V6 | BB2830 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HOLSTEIN Fits: 2.5L L4 | 2IGC0485 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HOLSTEIN Fits: 3.6L V6 | 2IGC0598 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SKP Fits: 3.6L V6 | SKUF830 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SPECTRA PREMIUM Fits: 2.5L L4 | C869 | 🇺🇸 US 🇨🇦 CA | Ignition Coil Mounts to Cylinder Head | View on Amazon |
| SPECTRA PREMIUM Fits: 3.6L V6 | C962 | 🇺🇸 US 🇨🇦 CA | Ignition Coil Mounts to Cylinder Head | View on Amazon |
| VEMO Fits: 3.6L V6 | V51700006 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DELPHI Popular Fits: 2.5L L4 | GN10682 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DELPHI Popular Fits: 3.6L V6 | GN10889 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DELPHI Fits: 2.5L L4 | GN11170 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 2.5L L4 | 25202791 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GM GENUINE Popular Fits: 3.6L V6 | 12741091 | 🇺🇸 US 🇨🇦 CA | Base Model or Denali or SLE Model or SLT Model | View on Amazon |
| GM GENUINE Popular Fits: 3.6L V6 | 12707304 | 🇺🇸 US 🇨🇦 CA | Base Model or Denali or SLE Model or SLT ModelMating Connector Use 19300397 | View on Amazon |
| DENSO Fits: 3.6L V6 | 6737206 | 🇺🇸 US 🇨🇦 CA | Direct Ignition Coil or Coil On Plug | View on Amazon |
| NGK Fits: 2.5L L4 | 48889 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| NGK Fits: 3.6L V6 | 49118 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | UF680 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 3.6L V6 | UF830 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| UNITED MOTOR PRODUCTS Fits: 2.5L L4 | COP597 | 🇺🇸 US 🇨🇦 CA | Fits Body code T2M43 | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 3.6L V6 | COP698 | 🇺🇸 US 🇨🇦 CA | Mounting Hardware Included: No | View on Amazon |
| WALKER PRODUCTS Fits: 2.5L L4 | 9212204 | 🇺🇸 US 🇨🇦 CA | Single Coil | View on Amazon |
| WALKER PRODUCTS Fits: 3.6L V6 | 9212343 | 🇺🇸 US 🇨🇦 CA | Single Coil | View on Amazon |
| WELLS Fits: 2.5L L4 | 5C1884 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS Fits: 3.6L V6 | 5C2094 | 🇺🇸 US 🇨🇦 CA | 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.
26 Ignition Coil parts are listed for the 2018 GMC Canyon, from DELPHI, GM GENUINE, SKP and 10 other brands. SKP SKUF680 carries the "Popular" badge. They are grouped as Economy, Premium and Standard Replacement, with Standard Replacement the largest group at 14 parts from GM GENUINE, NGK, STANDARD MOTOR PRODUCTS and 4 other brands.
Ignition Lock Cylinder
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 2.5L L4, 3.6L V6 | D1464G | 🇺🇸 US 🇨🇦 CA | Non Push To Turn Lock CylinderIncs Tumblers, Springs and Instruction Sheet | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4, 3.6L V6 | US644L | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS Fits: 2.5L L4, 3.6L V6 | 4H1762 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the lock cylinders in the ignition switch.
3 Ignition Lock Cylinder parts are listed for the 2018 GMC Canyon, from GM GENUINE, STANDARD MOTOR PRODUCTS and WELLS.
Part numbers include GM GENUINE D1464G, STANDARD MOTOR PRODUCTS US644L and WELLS 4H1762.
Ignition Lock Housing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 2.5L L4, 3.6L V6 | 84714720 | 🇺🇸 US 🇨🇦 CA | Fits Base Model8 speed Automatic trans.or Base Model | View on Amazon |
| GM GENUINE Fits: 2.5L L4, 3.6L V6 | 84714721 | 🇺🇸 US 🇨🇦 CA | Base Model or SL Model74.0" bed | View on Amazon |
This table covers the Ignition Lock housings.
2 Ignition Lock Housing parts for the 2018 GMC Canyon come from GM GENUINE.
Listed part numbers: GM GENUINE 84714720 and GM GENUINE 84714721.
Spark Plug
Summary: Notes include pre-set gaps of 0.035", 0.036", 0.040", 0.043", 0.044", 0.045" and 0.054". Replacement brands in this table include NGK, CHAMPION and BOSCH.
Copper / Nickel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CHAMPION Popular Fits: 2.5L L4 | 570 | 🇺🇸 US 🇨🇦 CA | Copper PlusPre-Set Gap: 0.045" | View on Amazon |
Double Platinum (lasts up to 3x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTOLITE Fits: 2.5L L4 | APP5364 | 🇺🇸 US 🇨🇦 CA | Double PlatinumPre-Set Gap: 0.054" | View on Amazon |
| BOSCH Fits: 2.5L L4 | 8107 | 🇺🇸 US 🇨🇦 CA | OE Fine Wire Double PlatinumPre-Set Gap: 0.044" | View on Amazon |
| CHAMPION Fits: 2.5L L4 | 7981 | 🇺🇸 US 🇨🇦 CA | Double Platinum Power | View on Amazon |
Iridium (lasts up to 4x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK Popular Fits: 2.5L L4 | 4344 | 🇺🇸 US 🇨🇦 CA | Iridium IXPre-Set Gap: 0.044" | View on Amazon |
| ACDELCO Fits: 2.5L L4 | 41115 | 🇺🇸 US 🇨🇦 CA | GM Original EquipmentIridium | View on Amazon |
| AUTOLITE Fits: 2.5L L4 | XP5364 | 🇺🇸 US 🇨🇦 CA | Iridium XP Spark Plug Dual Display PackPre-Set Gap: 0.054" | View on Amazon |
| BOSCH Fits: 2.5L L4 | 96301 | 🇺🇸 US 🇨🇦 CA | OE Fine Wire Double IridiumPre-Set Gap: 0.044" | View on Amazon |
| CHAMPION Fits: 2.5L L4 | 9300 | 🇺🇸 US 🇨🇦 CA | Iridium | View on Amazon |
| DENSO Fits: 2.5L L4 | 5338 | 🇺🇸 US 🇨🇦 CA | Iridium PowerPre-Set Gap: 0.044" | View on Amazon |
| DENSO Fits: 2.5L L4 | 4718 | 🇺🇸 US 🇨🇦 CA | Iridium TTPre-Set Gap: 0.040" | View on Amazon |
| NGK Fits: 2.5L L4 | 96329 | 🇺🇸 US 🇨🇦 CA | Laser IridiumPre-Set Gap: 0.044" | View on Amazon |
| SKP Fits: 2.5L L4 | SP1024 | 🇺🇸 US 🇨🇦 CA | Tapered Ground Electrode with Platinum Chip | View on Amazon |
Platinum (lasts up to 2x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK Popular Fits: 2.5L L4 | 5019 | 🇺🇸 US 🇨🇦 CA | G-PowerPre-Set Gap: 0.040" | View on Amazon |
| BOSCH Fits: 2.5L L4 | 6716 | 🇺🇸 US 🇨🇦 CA | OE Fine Wire PlatinumPre-Set Gap: 0.044" | View on Amazon |
| CHAMPION Fits: 2.5L L4 | 3570 | 🇺🇸 US 🇨🇦 CA | Platinum PowerPre-Set Gap: 0.045" | View on Amazon |
Ruthenium (maximum durability & ignitability)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK Popular Fits: 2.5L L4 | 90220 | 🇺🇸 US 🇨🇦 CA | Ruthenium HX High IgnitabilityPre-Set Gap: 0.044" | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 3.6L V6 | 41130 | 🇺🇸 US 🇨🇦 CA | GM Original EquipmentIridium | View on Amazon |
| BOSCH Fits: 3.6L V6 | 85006 | 🇺🇸 US 🇨🇦 CA | OE Fine Wire Double Iridium | View on Amazon |
| NGK Fits: 3.6L V6 | 91768 | 🇺🇸 US 🇨🇦 CA | Iridium IX | View on Amazon |
| NGK Fits: 3.6L V6 | 92176 | 🇺🇸 US 🇨🇦 CA | Laser Iridium | 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.
21 Spark Plug parts for the 2018 GMC Canyon come from 7 brands — NGK, CHAMPION, BOSCH and 4 other brands. The "Popular" part is CHAMPION 570.
The Copper / Nickel section lists 1 option from CHAMPION — grouped under the catalog's "Copper / Nickel" designation — the notes column spells out what sets them apart. CHAMPION 570 is listed in this group.
The Double Platinum (lasts up to 3x longer than Copper / Nickel) section lists 3 options from AUTOLITE, BOSCH and CHAMPION — grouped under the catalog's "Double Platinum (lasts up to 3x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. AUTOLITE APP5364 is listed in this group.
In the Iridium (lasts up to 4x longer than Copper / Nickel) grade, NGK, DENSO, ACDELCO and 4 other brands supply 9 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 4344.
The Platinum (lasts up to 2x longer than Copper / Nickel) section lists 3 options from NGK, BOSCH and CHAMPION — 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 5019 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 90220 is listed in this group.
4 further parts sit outside the graded sections, with the same engine-level match.
Spark Plug / Ignition Coil Boot
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | 20951 | 🇺🇸 US 🇨🇦 CA | Federal Wire | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.6L V6 | 34181 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.5L L4 | SPP190E | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 3.6L V6 | SPP227E | 🇺🇸 US 🇨🇦 CA | Part Material: Multiple Piece Design with phenolic tube and silicone Tip | 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 the 4 Spark Plug / Ignition Coil Boot parts for the 2018 GMC Canyon.
Economy: 2 parts, from STANDARD MOTOR PRODUCTS. A representative part number is STANDARD MOTOR PRODUCTS 20951.
The Standard Replacement section: 2 options from STANDARD MOTOR PRODUCTS. STANDARD MOTOR PRODUCTS SPP190E is listed in this group.
This group includes STANDARD MOTOR PRODUCTS 20951, STANDARD MOTOR PRODUCTS 34181 and STANDARD MOTOR PRODUCTS SPP190E and the remaining parts above.
Spark Plug Tube Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 2.5L L4, 3.6L V6 | 12613249 | 🇺🇸 US 🇨🇦 CA | Material: Steel Rubber | View on Amazon |
| MAHLE / CLEVITE Fits: 2.5L L4 | GS34108 | 🇺🇸 US 🇨🇦 CA | Spark Plug Tube Seal KitMolded Rubber | View on Amazon |
| MAHLE / CLEVITE Fits: 3.6L V6 | GS34091 | 🇺🇸 US 🇨🇦 CA | Spark Plug Tube Seal KitMolded Rubber | View on Amazon |
This table covers the seals at the Spark Plug Tube. 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.
3 Spark Plug Tube Seal parts are listed for the 2018 GMC Canyon, from MAHLE / CLEVITE and GM GENUINE.
Part numbers include GM GENUINE 12613249, MAHLE / CLEVITE GS34108 and MAHLE / CLEVITE GS34091.
Buying Ignition Parts for a 2018 GMC Canyon
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: Ignition Coil and Spark Plug .
Frequently Asked Questions
How many ignition parts fit the 2018 GMC Canyon?
Our catalog currently lists 98 ignition parts for the 2018 GMC Canyon across 9 subcategories and 23 brands, covering all 3 engine options (2.5L L4, 2.8L L4 DIESEL Turbocharged and 3.6L V6). Each part is matched to the engine(s) it fits.
Do ignition parts differ between 2018 GMC Canyon 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 2018 GMC Canyon?
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 2018 GMC Canyon?
Notes on this page include pre-set gaps of 0.035", 0.036", 0.040", 0.043", 0.044", 0.045" 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 2018 GMC Canyon 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 2018 GMC Canyon?
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 2018 GMC Canyon
Ignition Parts for Other GMC Canyon Years
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