2009 Acura MDX 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

14 Camshaft Position Sensor parts are listed for the 2009 Acura MDX, from WALKER PRODUCTS, HOLSTEIN, DORMAN and 10 other brands. HOLSTEIN 2CAM0278 carries the "Popular" badge.

In the Economy grade, HOLSTEIN, DORMAN, PRENCO and 2 other brands supply 5 parts: the catalog's value-priced group. A representative part number is HOLSTEIN 2CAM0278.

In the Full Service Kit grade, WALKER PRODUCTS supplies 1 part: grouped under the catalog's "Full Service Kit" designation — the notes column spells out what sets them apart. A representative part number is WALKER PRODUCTS 23591344.

The Standard Replacement section lists 8 options from STANDARD MOTOR PRODUCTS, ASTEMO / HITACHI, BECK/ARNLEY and 5 other brands — built to original-equipment specification. STANDARD MOTOR PRODUCTS PC605 is listed in this group.

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. Read more

This group shows a single part: MAHLE / CLEVITE 76757.

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

11 Crankshaft Position Sensor parts are listed for the 2009 Acura MDX, from DORMAN, HOLSTEIN, PRENCO and 8 other brands. DELPHI SS11404 carries the "Popular" badge.

Economy: 4 parts, from DORMAN, HOLSTEIN, PRENCO and 1 other brand. A representative part number is DORMAN 907909.

The Standard Replacement section: 7 options from DELPHI, KARLYN / BREMI / STI, STANDARD MOTOR PRODUCTS and 4 other brands. DELPHI SS11404 is listed in this group.

This table covers the seals at the Crankshaft 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. Read more

This group shows a single part: FEL-PRO 72301.

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

23 Ignition Coil parts are listed for the 2009 Acura MDX, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, SKP and 17 other brands. SKP SKIC006 carries the "Popular" badge.

Economy: 9 parts, from SKP, ULTRA-POWER, AUTOTECNICA and 6 other brands. A representative part number is SKP SKIC006.

Full Service Kit: 1 part, from WALKER PRODUCTS. A representative part number is WALKER PRODUCTS 92192026.

The Premium section lists 2 options from DELPHI and STANDARD MOTOR PRODUCTS — a step above OE specification in materials, tolerances or warranty terms. DELPHI GN10168 is listed in this group.

The Standard Replacement section: 11 options from DENSO, WALKER PRODUCTS, ACKOJA and 8 other brands. DENSO 6732302 is listed in this group.

This table covers the lock cylinders in the ignition switch. Read more

One part is listed for the 2009 Acura MDX — WELLS 4H1515.

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

16 Spark Plug parts for the 2009 Acura MDX come from 5 brands — DENSO, NGK, BOSCH and 2 other brands. The "Popular" part is NGK 97138.

The Copper / Nickel section lists 1 option from DENSO — grouped under the catalog's "Copper / Nickel" designation — the notes column spells out what sets them apart. DENSO 3374 is listed in this group.

The Double Platinum (lasts up to 3x longer than Copper / Nickel) section lists 4 options from ACDELCO, BOSCH, CHAMPION and 1 other brand — 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. ACDELCO 41806 is listed in this group.

In the Iridium (lasts up to 4x longer than Copper / Nickel) grade, DENSO, NGK, BOSCH and 1 other brand supply 7 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 97138.

The Platinum (lasts up to 2x longer than Copper / Nickel) section lists 3 options from DENSO, NGK and BOSCH — grouped under the catalog's "Platinum (lasts up to 2x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. DENSO 4504 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 94279 is listed in this group.

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

5 Spark Plug / Ignition Coil Boot parts are listed for the 2009 Acura MDX, from STANDARD MOTOR PRODUCTS, ACDELCO, NGK and 1 other brand. STANDARD MOTOR PRODUCTS SPP154E carries the "Popular" badge.

Economy: 1 part, from STANDARD MOTOR PRODUCTS. A representative part number is STANDARD MOTOR PRODUCTS 19571.

The Standard Replacement section: 3 options from STANDARD MOTOR PRODUCTS, ACDELCO and NGK. STANDARD MOTOR PRODUCTS SPP154E is listed in this group.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

This group includes STANDARD MOTOR PRODUCTS SPP154E, STANDARD MOTOR PRODUCTS 19571 and ACDELCO 16118 and the remaining parts above.

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. Read more

4 Spark Plug Tube Seal parts are listed for the 2009 Acura MDX, from BECK/ARNLEY, ELRING and MAHLE / CLEVITE.

Listed part numbers: BECK/ARNLEY 0396579, BECK/ARNLEY 0396583 and ELRING 389210, plus the other parts above.