2008 Isuzu Ascender Electrical Parts

Engine:
4.2L L6

84 Electrical parts are listed for the 2008 Isuzu Ascender, in 17 part types, covering the 4.2L L6 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.

On the 2008 Isuzu Ascender, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. Most of the listed parts are Horn (15 parts), Starter Motor (14 parts) and Speed Sensor (13 parts). The other 14 part types cover the remaining 42 parts.

Alternator / Generator

New

Brand Part Number Markets Notes Buy
TYC Popular 208498
🇺🇸 US
150 Amps
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WAI GLOBAL Popular 8498N
🇺🇸 US
150 Amps
View on
Amazon
REMY 91769
🇺🇸 US
150 Amps
View on
Amazon

Remanufactured

Brand Part Number Markets Notes Buy
ACDELCO 3342697A
🇺🇸 US 🇨🇦 CA
GoldRemanufactured
Fitment notes — ACDELCO 3342697A
GoldRemanufactured
Clock: 4:00150 Amps
View on
Amazon
BOSCH AL8893X
🇺🇸 US
Remanufactured
Fitment notes — BOSCH AL8893X
Remanufactured
150 Amps
View on
Amazon
FVP 15569
🇺🇸 US
Remanufactured
Fitment notes — FVP 15569
Remanufactured
150 Amps
View on
Amazon
PURE ENERGY 15569
🇺🇸 US
Remanufactured
Fitment notes — PURE ENERGY 15569
Remanufactured
150 Amps
View on
Amazon
REMY 22024
🇺🇸 US
Remanufactured
Fitment notes — REMY 22024
Remanufactured
150 Amps
View on
Amazon
TERREPOWER 8498
🇺🇸 US
Remanufactured
Fitment notes — TERREPOWER 8498
Remanufactured
150 Amps
View on
Amazon

This table covers the alternators that charge the battery and run the electrical load. Typical signs include dim lights at idle, a battery lamp, or a growl from the charging pulley. Load-test the battery and inspect the belt and grounds — a bad ground mimics a failed alternator.

Automatic Headlamp Sensor

Brand Part Number Markets Notes Buy
GM GENUINE 13498957
🇺🇸 US 🇨🇦 CA
FrontDual Zone Climate Control with Manual Controls (blue/Red dials only)
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GM GENUINE 13498958
🇺🇸 US 🇨🇦 CA
Mates with Conn 13584477 with LeadsDual Solar and Twilight
Fitment notes — GM GENUINE 13498958
Mates with Conn 13584477 with LeadsDual Solar and TwilightAir Conditioning Front Automatic/Auxiliary Control(CJ2)
View on
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STANDARD MOTOR PRODUCTS EFL172
🇺🇸 US
View on
Amazon

This table covers the Automatic Headlamp sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.

Battery

AGM (Extended Life)

Brand Part Number Markets Notes Buy
FVP Popular 78AGMG
🇺🇸 US
Platinum AGMBCI Group: 78
Fitment notes — FVP 78AGMG
Platinum AGMBCI Group: 78(LxWxH) 10.5" x 7" x 7"
View on
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ACDELCO 78XAGM
🇺🇸 US 🇨🇦 CA
AGMBCI Group: 78
Fitment notes — ACDELCO 78XAGM
AGMBCI Group: 78CCA: 850 ARC: 135 MJLength x Width x Height: 10.9 In x 7 In x 7.3 In
Battery is encased within an Active Cooling Box with an Air snorkel To The outside of The engine compartment
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DEKA 9A78
🇺🇸 US
IntimidatorAGM
Fitment notes — DEKA 9A78
IntimidatorAGMBCI Group 78750 CCALength X Width X Height: 10.75 In x 6.875 In x 7.25 In
View on
Amazon
P1MAX PMAGM78
🇺🇸 US
BCI Group 78 AGM775 CCA
Fitment notes — P1MAX PMAGM78
BCI Group 78 AGM775 CCALength x Width x Height: 10-3/16” x 7-1/16” x 7-1/8”
Battery is encased within an "Active Cooling Box" with an Air snorkel To The outside of The engine compartment
View on
Amazon

Performance AGM (Extended Life + Increased Power)

Brand Part Number Markets Notes Buy
FULLRIVER FT82578
🇺🇸 US
AGMBCI Group 78
Fitment notes — FULLRIVER FT82578
AGMBCI Group 78(Length X Width X Height) 10.28 In x 6.77 In x 8.31 InCCA: 825
Battery is encased within an "Active Cooling Box" with an Air snorkel To The outside of The engine compartment
View on
Amazon

This table covers the batteries listed by group size and specification. Typical signs include slow cranking, a battery lamp, or a no-start after the vehicle sat overnight. Confirm group size and terminal layout in the notes. Clean the posts and the ground before condemning the battery.

Battery Cable

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS A414DEF
🇺🇸 US
PositiveBATTERY TO SWITCH
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This table covers the positive and ground cables that run from the battery. Typical signs include a stretched or frayed cable, or a control that no longer reaches the end of its travel. Route the new cable through the same clips. A kinked cable binds and fails early.

Battery Terminal

Brand Part Number Markets Notes Buy
DEKA 00350
🇺🇸 US
Top Post Terminal
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DEKA 01056
🇺🇸 US
Top Post Terminal Lead Free
View on
Amazon

This table covers the terminals and clamps that connect cables to the battery posts.

Battery Terminal Protector

Brand Part Number Markets Notes Buy
GM GENUINE 19119011
🇺🇸 US 🇨🇦 CA
Red
Fitment notes — GM GENUINE 19119011
Red
PositiveSurrounds Cable End At Battery Side Terminal
View on
Amazon

This table covers the covers that protect battery terminals.

Body Control Module (BCM)

Brand Part Number Markets Notes Buy
GM GENUINE 21812763
🇺🇸 US 🇨🇦 CA
wo/BA3 RPO
Fitment notes — GM GENUINE 21812763
wo/BA3 RPO
RearRemote Entry Lock Control (AU0)Low Tire Pressure Indicator (UJ6)Mates with Connector PT548 4-Way, PT265 8-Way, PT315 9-Way
View on
Amazon
GM GENUINE 19370407
🇺🇸 US 🇨🇦 CA
RemanLocal Programming Required
Fitment notes — GM GENUINE 19370407
RemanLocal Programming Required
Exc. VEHICLE IMMOBILIZATION SECURITY System (BAE)
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This table covers the body-control modules that run lighting, locks and wipers.

Engine Control Module (ECM Computer)

Brand Part Number Markets Notes Buy
GM GENUINE 19421503
🇺🇸 US 🇨🇦 CA
RemanLocal Programming Required
Fitment notes — GM GENUINE 19421503
RemanLocal Programming Required
with RPO Code YRHB
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Amazon

This table covers the engine-control modules that run fuel, spark and emissions.

Flasher

Brand Part Number Markets Notes Buy
GM GENUINE 15231201
🇺🇸 US 🇨🇦 CA
Except Parts Package (Bag)Hazard Warning & Turn Signal
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Amazon
STANDARD MOTOR PRODUCTS EFL36
🇺🇸 US
HAZARD WARNING
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WELLS 1R3544
🇺🇸 US
Fits Turn Signalor HAZARD WARNING
View on
Amazon

This table covers the flasher units that blink the turn signals and hazards.

Fuse

10 Amp

Brand Part Number Markets Notes Buy
LITTELFUSE LMIN10
🇺🇸 US
Mini FuseLow Profile
View on
Amazon

125 Amp

Brand Part Number Markets Notes Buy
LITTELFUSE MEG125
🇺🇸 US
View on
Amazon

15 Amp

Brand Part Number Markets Notes Buy
LITTELFUSE Popular MIN15
🇺🇸 US
Mini Fuse15A
View on
Amazon

20 Amp

Brand Part Number Markets Notes Buy
LITTELFUSE Popular MIN20
🇺🇸 US
Mini Fuse20A
View on
Amazon

25 Amp

Brand Part Number Markets Notes Buy
LITTELFUSE MIN25
🇺🇸 US
Mini Fuse25A
View on
Amazon

3 Amp

Brand Part Number Markets Notes Buy
LITTELFUSE MIN3
🇺🇸 US
Mini Fuse3A
View on
Amazon

30 Amp

Brand Part Number Markets Notes Buy
LITTELFUSE MIN30
🇺🇸 US
Mini Fuse30A
View on
Amazon

40 Amp

Brand Part Number Markets Notes Buy
LITTELFUSE JCAS40
🇺🇸 US
JCASE High Amp Fuse40A
View on
Amazon

60 Amp

Brand Part Number Markets Notes Buy
LITTELFUSE JCAS60
🇺🇸 US
JCASE High Amp Fuse60A
View on
Amazon

This table covers the replacement fuses for this vehicle's fuse boxes. Typical signs include one circuit dead while its neighbor still works, or a fuse that blows again as soon as you replace it. Match amperage and fuse type. A repeat blow means a short — find it before the next fuse.

Horn

Accessory Replacement

Brand Part Number Markets Notes Buy
FIAMM Popular 7210223
🇺🇸 US
Accessory HornFreeway Blaster
Fitment notes — FIAMM 7210223
Accessory HornFreeway Blaster133 dB
High Note
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Amazon
FIAMM Popular 72112
🇺🇸 US 🇨🇦 CA
Freeway BlasterAccessory Horn
Fitment notes — FIAMM 72112
Freeway BlasterAccessory Horn133 dB
Low Note
View on
Amazon
FIAMM 7211223
🇺🇸 US
Accessory Horn (Louder)FWY Blaster
Fitment notes — FIAMM 7211223
Accessory Horn (Louder)FWY Blaster130 dB
Low Note
View on
Amazon
FIAMM 7410024
🇺🇸 US 🇨🇦 CA
Accessory HornEl Grande
Fitment notes — FIAMM 7410024
Accessory HornEl Grande128 dB
High and Low Notewith Red Caps and Grills
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FIAMM 6602023
🇺🇸 US 🇨🇦 CA
Accessory HornRed
Fitment notes — FIAMM 6602023
Accessory HornRedTwo Trumpet Riviera Horn Kit
Two Tone Air Horn with Compressor
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FIAMM 6602523
🇺🇸 US 🇨🇦 CA
Accessory HornChrome
Fitment notes — FIAMM 6602523
Accessory HornChromeTwo Trumpet Riviera Horn Kit
Two Tone Air Horn with Compressor
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Amazon
FIAMM 6604523
🇺🇸 US 🇨🇦 CA
Ultimate Blast HornAccessory Horn
Fitment notes — FIAMM 6604523
Ultimate Blast HornAccessory Horn
Compact Two Tone Air Horn with Compressor
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
FIAMM Popular 7250522
🇺🇸 US
OE Replacement Horn KitIncludes OE Connectors & L Bracket
Fitment notes — FIAMM 7250522
OE Replacement Horn KitIncludes OE Connectors & L Bracket
High Note
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Amazon
FIAMM 4036523
🇺🇸 US
OE Replacement Disc Horn125 dB
Fitment notes — FIAMM 4036523
OE Replacement Disc Horn125 dB
Low Note
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FIAMM 4031023
🇺🇸 US
OE Replacement Disc Horn125 dB
Fitment notes — FIAMM 4031023
OE Replacement Disc Horn125 dB
High Note
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Amazon
FIAMM 7421122
🇺🇸 US 🇨🇦 CA
OE Replacement Horn KitIncludes OE Connectors & L Bracket
Fitment notes — FIAMM 7421122
OE Replacement Horn KitIncludes OE Connectors & L Bracket
TR98 Low Note
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FIAMM 7421322
🇺🇸 US 🇨🇦 CA
OE Replacement Horn KitIncludes OE Connectors
Fitment notes — FIAMM 7421322
OE Replacement Horn KitIncludes OE ConnectorsService Kit
TR98 High Note
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FIAMM 7250622
🇺🇸 US
OE Replacement Horn KitIncludes OE Connectors & L Bracket
Fitment notes — FIAMM 7250622
OE Replacement Horn KitIncludes OE Connectors & L Bracket
Low Note
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GM GENUINE 84594590
🇺🇸 US 🇨🇦 CA
with Bracket
Fitment notes — GM GENUINE 84594590
with Bracket
Low Note
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GM GENUINE 84594588
🇺🇸 US 🇨🇦 CA
High Note
Fitment notes — GM GENUINE 84594588
High Note
High Note
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This table covers the horns mounted in the front of the vehicle.

Keyless Entry Remote

Brand Part Number Markets Notes Buy
GM GENUINE 15051014
🇺🇸 US 🇨🇦 CA
REQUIRES DEALER PROGRAMMING. SERVICES FOB # 1 & FOB # 2Remote Entry Lock Control (AU0)
View on
Amazon

This table covers the key fobs that lock, unlock and start the vehicle.

Speed Sensor

Economy

Brand Part Number Markets Notes Buy
DORMAN 917615
🇺🇸 US
RWDVehicle Speed
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Amazon
DORMAN 917618
🇺🇸 US
Screw In Style
Fitment notes — DORMAN 917618
Screw In Style
4WDVehicle Speed
View on
Amazon
SKP SK917615
🇺🇸 US
Fits RWDTransmission Speed
Fitment notes — SKP SK917615
Fits:
RWDTransmission SpeedOutputAutomatic Trans.or RWDVehicle Speed
View on
Amazon
STANDARD MOTOR PRODUCTS SC90T
🇺🇸 US
T-Series
Fitment notes — STANDARD MOTOR PRODUCTS SC90T
T-Series
Fits:
RWDTransmission SpeedOutputAutomatic Trans.or RWDVehicle Speed
View on
Amazon

Full Service Kit

Brand Part Number Markets Notes Buy
WALKER PRODUCTS 24091005
🇺🇸 US
Full Service Kit
Fitment notes — WALKER PRODUCTS 24091005
Full Service Kit
RWDVehicle Speed
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
ACDELCO Popular 2134667
🇺🇸 US 🇨🇦 CA
Gold
Fitment notes — ACDELCO 2134667
Gold
Fits:
RWDTransmission SpeedOutputor RWDVehicle Speed
View on
Amazon
GM GENUINE Popular 2131701
🇺🇸 US 🇨🇦 CA
Bolt On with Bracket or Screw In with O-Ring
Fitment notes — GM GENUINE 2131701
Bolt On with Bracket or Screw In with O-Ring
RWD2-Way MaleVehicle Speed
View on
Amazon
GM GENUINE Popular 19302667
🇺🇸 US 🇨🇦 CA
Screw In with O-Ring
Fitment notes — GM GENUINE 19302667
Screw In with O-Ring
Vehicle Speed
View on
Amazon
DELPHI SS10302
🇺🇸 US
RWDVehicle Speed
View on
Amazon
NTK VB0028
🇺🇸 US
Bolt-In Sensor
Fitment notes — NTK VB0028
Bolt-In Sensor
RWDTransmission SpeedOutputAutomatic Trans.
View on
Amazon
STANDARD MOTOR PRODUCTS SC90
🇺🇸 US
Fits RWDTransmission Speed
Fitment notes — STANDARD MOTOR PRODUCTS SC90
Fits:
RWDTransmission SpeedOutputAutomatic Trans.or RWDVehicle Speed
View on
Amazon
WALKER PRODUCTS 2401005
🇺🇸 US
RWDVehicle Speed
View on
Amazon
WELLS 5S4627
🇺🇸 US
Bolt-In SensorWiring Harness Included: No
Fitment notes — WELLS 5S4627
Bolt-In SensorWiring Harness Included: No
RWDTransmission SpeedOutputAutomatic Trans.
View on
Amazon

This table covers the speed sensors on the transmission, transfer case or ABS ring. Typical signs include a dead speedometer, harsh transmission shifts, or a code for vehicle speed. Inspect the tone wheel and the connector before replacing the sensor.

Speed Sensor Bolt

Brand Part Number Markets Notes Buy
GM GENUINE 24200093
🇺🇸 US 🇨🇦 CA
RWDM6 X 1.0 X 15.0
View on
Amazon

This table covers the Speed Sensor bolts.

Speed Sensor Seal

Brand Part Number Markets Notes Buy
GM GENUINE 10475299
🇺🇸 US 🇨🇦 CA
RWDI.D. 18MM
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GM GENUINE 24234215
🇺🇸 US 🇨🇦 CA
INPUT
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GM GENUINE 19133158
🇺🇸 US 🇨🇦 CA
Fits 4WDI.D. 20MM
Fitment notes — GM GENUINE 19133158
Fits:
4WDI.D. 20MMActive 2 Speed Push Button Control Transfer Case (NP8)
or:
4WDI.D. 20MMCHEVROLET TRAILBLAZER SS Performance Package (B4U)
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This table covers the seals at the Speed 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.

Starter Motor

New

Brand Part Number Markets Notes Buy
PURE ENERGY Popular 6934SN
🇺🇸 US
View on
Amazon
TYC Popular 106782
🇺🇸 US
View on
Amazon
ACDELCO 3371135
🇺🇸 US 🇨🇦 CA
Gold
View on
Amazon
REMY 96236
🇺🇸 US
View on
Amazon
TERREPOWER N6934
🇺🇸 US
View on
Amazon
WAI GLOBAL 6934N
🇺🇸 US
View on
Amazon

Remanufactured

Brand Part Number Markets Notes Buy
GM GENUINE Popular 3231653
🇺🇸 US 🇨🇦 CA
Remanufactured
Fitment notes — GM GENUINE 3231653
Remanufactured
PROD 12609480DELCO SERIES PG260H
View on
Amazon
ACDELCO 3362142A
🇺🇸 US 🇨🇦 CA
GoldRemanufactured
Fitment notes — ACDELCO 3362142A
GoldRemanufactured
PG260H
View on
Amazon
DENSO 2805394
🇺🇸 US
First Time FitReman
View on
Amazon
FVP 6934S
🇺🇸 US
Remanufactured
View on
Amazon
PURE ENERGY 6934S
🇺🇸 US
Remanufactured
View on
Amazon
REMY 26653
🇺🇸 US
Remanufactured
View on
Amazon
TERREPOWER 6934
🇺🇸 US
Remanufactured
View on
Amazon
WAI GLOBAL 6934R
🇺🇸 US
Power Select Reman
View on
Amazon

This table covers the starter motors that crank the engine. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor.

Yaw Sensor

Brand Part Number Markets Notes Buy
GM GENUINE 15951953
🇺🇸 US 🇨🇦 CA
RWDMating Connector with Leads Use 88953345
Fitment notes — GM GENUINE 15951953
RWDMating Connector with Leads Use 889533454 WHL disc brake(JF8)
View on
Amazon

This table covers the Yaw sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.

Buying Electrical Parts for a 2008 Isuzu Ascender

On this vehicle, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors.

  • Confirm you have the 4.2L L6 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, clean or renew the battery terminals and grounds with any charging-system repair.
  • Cross-reference the manufacturer part number against your old part or a service-manual listing.

Start with the largest groups on this page: Horn and Starter Motor .

Frequently Asked Questions

How many electrical parts fit the 2008 Isuzu Ascender?

Our catalog currently lists 84 electrical parts for the 2008 Isuzu Ascender across 17 subcategories and 22 brands, covering the 4.2L L6 engine. Each part is matched to the engine(s) it fits.

What are the signs of electrical problems on a 2008 Isuzu Ascender?

Common symptoms include slow cranking on cold mornings, a battery light that flickers, dim lights at idle, or a check-engine code pointing at a sensor circuit. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.

What should I replace at the same time?

Where labor overlaps, clean or renew the battery terminals and grounds with any charging-system repair.

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 2008 Isuzu Ascender 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 2008 Isuzu Ascender?

Every part on this page is matched to the 4.2L L6 engine. Then test before replacing — a failed alternator and a bad ground can look identical, and sensors are frequently condemned for wiring faults. The notes column carries position and trim qualifiers where they apply.

Other Parts for the 2008 Isuzu Ascender

Electrical Parts for Other Isuzu Ascender 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.