This page lists 138 electrical parts for the 2003 Jeep Liberty, across 15 part types, covering both the 2.4L L4 and the 3.7L V6. Every part shows its brand, manufacturer part number and fitment notes.
The electrical system on the 2003 Jeep Liberty covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. The largest groups are Speed Sensor (32 parts), Alternator / Generator (27 parts) and Fuse (27 parts). The other 12 part types cover the remaining 52 parts.
The 2003 Jeep Liberty was sold with both the 2.4L L4 and the 3.7L V6. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
32 brands supply electrical parts for the 2003 Jeep Liberty, led by BUSSMANN (15 parts), LITTELFUSE (13 parts) and FIAMM (13 parts), plus 29 more brands. Quality grades include Remanufactured, Standard Replacement and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2003 Jeep Liberty. 27 parts have it, including SKP SK13873 (Alternator / Generator) and ACDELCO 34XAGM (Battery). Each part number opens a page with every vehicle that part fits.
Alternator / Generator
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Popular Fits: 3.7L V6 | SK13873 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits 136A2.2KW | View on Amazon |
| TYC Popular Fits: 3.7L V6 | 213873 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 136A Amps | View on Amazon |
| WAI GLOBAL Popular Fits: 3.7L V6 | 13873N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 136 Amps Denso UnitSolid Pulley | View on Amazon |
| WAI GLOBAL Popular Fits: 3.7L V6 | 13913N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 160 Amps Denso Unit | View on Amazon |
| ACDELCO Fits: 3.7L V6 | 3351287 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| FVP Fits: 3.7L V6 | 13873N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | New | View on Amazon |
| PURE ENERGY Fits: 3.7L V6 | 13873N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with 136 Amps Alternatorwith 6 Groove Solid Pulley | View on Amazon |
| PURE ENERGY Fits: 3.7L V6 | 13913N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with 160 Amps Alternator | View on Amazon |
| REMY Fits: 3.7L V6 | 90013 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Standardwithout Clutch Pulley | View on Amazon |
| REMY Fits: 3.7L V6 | 94116 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Optional Equipment160 Amps | View on Amazon |
| TERREPOWER Fits: 3.7L V6 | N13873 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Standard Equipmentwithout Clutch Pulley | View on Amazon |
| TERREPOWER Fits: 3.7L V6 | N13913 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Optional Equipment160 Amps | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DENSO Popular Fits: 3.7L V6 | 2101139 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Reman | View on Amazon |
| WAI GLOBAL Popular Fits: 3.7L V6 | 13913R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Power Select Reman | View on Amazon |
| ACDELCO Fits: 3.7L V6 | 3341408 | 🇺🇸 US 🇨🇦 CA | GoldRemanufactured | View on Amazon |
| ACDELCO Fits: 3.7L V6 | 3341444 | 🇺🇸 US 🇨🇦 CA | GoldRemanufactured | View on Amazon |
| FVP Fits: 3.7L V6 | 13873 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| FVP Fits: 3.7L V6 | 13913 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| PURE ENERGY Fits: 3.7L V6 | 13873 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| PURE ENERGY Fits: 3.7L V6 | 13913 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| PURE ENERGY Fits: 3.7L V6 | 15014 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY Fits: 3.7L V6 | 12394 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY Fits: 3.7L V6 | 12328 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RemanufacturedIncludes 6S standard pulley | View on Amazon |
| REMY Fits: 3.7L V6 | 20600 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| TERREPOWER Fits: 3.7L V6 | 13873 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| TERREPOWER Fits: 3.7L V6 | 13873CP | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| TERREPOWER Fits: 3.7L V6 | 13913 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | 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.
27 Alternator / Generator parts for the 2003 Jeep Liberty come from 9 brands — PURE ENERGY, REMY, TERREPOWER and 6 other brands. The "Popular" part is SKP SK13873. New and Remanufactured are all represented, and Remanufactured alone accounts for 15 parts.
Battery
AGM (Extended Life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 3.7L V6 | 34XAGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 34 | View on Amazon |
| FVP Popular Fits: 3.7L V6 | 34AGMG | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGMBCI Group: 34 | View on Amazon |
| DEKA Fits: 3.7L V6 | 9A34 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| EXIDE Fits: 3.7L V6 | MX34 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 34 | View on Amazon |
| P1MAX Fits: 3.7L V6 | PMAGM34 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group 34 AGM750 CCA | View on Amazon |
Performance AGM (Extended Life + Increased Power)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FULLRIVER Fits: 3.7L V6 | FT82534 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BCI Group 34(Length X Width X Height) 10.28 In x 6.77 In x 8.19 In | View on Amazon |
| FULLRIVER Fits: 3.7L V6 | FT82578 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | AGMBCI Group 78 | 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.
7 Battery parts are listed for the 2003 Jeep Liberty, from FULLRIVER, ACDELCO, FVP and 3 other brands. ACDELCO 34XAGM carries the "Popular" badge.
The AGM (Extended Life) section lists 5 options from ACDELCO, FVP, DEKA and 2 other brands — grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. ACDELCO 34XAGM is listed in this group.
The Performance AGM (Extended Life + Increased Power) section lists 2 options from FULLRIVER — grouped under the catalog's "Performance AGM (Extended Life + Increased Power)" designation — the notes column spells out what sets them apart. FULLRIVER FT82534 is listed in this group.
Part numbers include ACDELCO 34XAGM, FVP 34AGMG and DEKA 9A34, among others listed above.
Battery Cable
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 3.7L V6 | A334AEN | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | NegativeBATTERY TO GROUND | View on Amazon |
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.
This group shows a single part: STANDARD MOTOR PRODUCTS A334AEN.
Battery Temperature Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 3.7L V6 | 56041053 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| NTK Fits: 3.7L V6 | BC0003 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 3.7L V6 | TS406 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WELLS Fits: 3.7L V6 | 5S1191 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Battery temperature sensors. Typical signs include hard cold starts, a fan that never comes on, or a gauge that disagrees with the scan tool. A sensor that reads open or shorted is usually the part; an implausible-but-smooth reading can be wiring.
4 Battery Temperature Sensor parts are listed for the 2003 Jeep Liberty, from MOPAR, NTK, STANDARD MOTOR PRODUCTS and 1 other brand.
This group includes MOPAR 56041053, NTK BC0003 and STANDARD MOTOR PRODUCTS TS406 and the remaining parts above.
Battery Terminal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEKA Fits: 3.7L V6 | 00350 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Top Post Terminal | View on Amazon |
| DEKA Fits: 3.7L V6 | 01056 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Top Post Terminal Lead Free | View on Amazon |
This table covers the terminals and clamps that connect cables to the battery posts.
DEKA supplies both parts for the 2003 Jeep Liberty.
Part numbers include DEKA 00350 and DEKA 01056.
Body Control Module (BCM)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 3.7L V6 | 5093037AC | 🇺🇸 US 🇨🇦 CA | Fits without Keyless Entry & without FoglampExc. Keyless Entry - Remote | View on Amazon |
| MOPAR Fits: 3.7L V6 | 5093038AC | 🇺🇸 US 🇨🇦 CA | Fits with Keyless Entry & with or without FoglampKeyless Entry - Remote or Fog Lampsor with Keyless Entry | View on Amazon |
This table covers the body-control modules that run lighting, locks and wipers.
2 Body Control Module (BCM) parts for the 2003 Jeep Liberty come from MOPAR.
Listed part numbers: MOPAR 5093037AC and MOPAR 5093038AC.
Circuit Breaker
20 Amp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LITTELFUSE Popular Fits: 3.7L V6 | UCB20 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Fuse in passenger compartmentor Wiper/Washer (Front)Fuse in passenger compartment | View on Amazon |
| BUSSMANN Fits: 3.7L V6 | UCB20 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Blade Fuse20 Amps | View on Amazon |
25 Amp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN Fits: 3.7L V6 | UCB25 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Blade Fuse25 Amps | View on Amazon |
| LITTELFUSE Fits: 3.7L V6 | UCB25 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Fuse in engine compartmentor Fuse in passenger compartmentor Power SeatsFuse in passenger compartmentor Trailer Wiring | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 3.7L V6 | 56021543 | 🇺🇸 US 🇨🇦 CA | 25 AmpsSeats -Power Front, Driver/Passenger or Seat - POWER 6-Way, Driver | View on Amazon |
This table covers the resettable circuit breakers in this vehicle's electrical system.
5 Circuit Breaker parts are listed for the 2003 Jeep Liberty, from LITTELFUSE, BUSSMANN and MOPAR. LITTELFUSE UCB20 carries the "Popular" badge.
In the 20 Amp grade, LITTELFUSE and BUSSMANN supply 2 parts: grouped under the catalog's "20 Amp" designation — the notes column spells out what sets them apart. A representative part number is LITTELFUSE UCB20.
The 25 Amp section lists 2 options from BUSSMANN and LITTELFUSE — grouped under the catalog's "25 Amp" designation — the notes column spells out what sets them apart. BUSSMANN UCB25 is listed in this group.
1 ungrouped part is not assigned to a grade, with the same engine-level match.
Listed part numbers: LITTELFUSE UCB20 and BUSSMANN UCB25, plus the other parts above.
Fuse
10 Amp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN Popular Fits: 3.7L V6 | ATM10 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | ATM Series10 Amp | View on Amazon |
| BUSSMANN Fits: 3.7L V6 | ATM10ID | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 10 AmpeasyID | View on Amazon |
| LITTELFUSE Fits: 3.7L V6 | LMIN10 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Mini FuseLow Profile | View on Amazon |
| LITTELFUSE Fits: 3.7L V6 | 111001 | 🇺🇸 US 🇨🇦 CA | Smart GlowMini | View on Amazon |
| LITTELFUSE Fits: 3.7L V6 | MIN10 | 🇺🇸 US 🇨🇦 CA | Mini Fuse10A | View on Amazon |
| MOPAR Fits: 3.7L V6 | 6101486 | 🇺🇸 US 🇨🇦 CA | Mini Fuse10 Amp, Red | View on Amazon |
15 Amp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN Popular Fits: 3.7L V6 | ATM15 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 15 AmpsATM Series | View on Amazon |
| LITTELFUSE Popular Fits: 3.7L V6 | MIN15 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Mini Fuse15A | View on Amazon |
| BUSSMANN Fits: 3.7L V6 | ATM15ID | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | easyID15 Amps | View on Amazon |
| LITTELFUSE Fits: 3.7L V6 | 111002 | 🇺🇸 US 🇨🇦 CA | Smart GlowMini | View on Amazon |
| MOPAR Fits: 3.7L V6 | 6101487 | 🇺🇸 US 🇨🇦 CA | Mini Fuse15 Amps, Light Blue | View on Amazon |
20 Amp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN Popular Fits: 3.7L V6 | ATM20 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | ATM Series20 Amps | View on Amazon |
| LITTELFUSE Popular Fits: 3.7L V6 | MIN20 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Mini Fuse20A | View on Amazon |
| BUSSMANN Fits: 3.7L V6 | ATM20ID | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 20 AmpseasyID | View on Amazon |
| LITTELFUSE Fits: 3.7L V6 | 111003 | 🇺🇸 US 🇨🇦 CA | Smart GlowMini | View on Amazon |
| MOPAR Fits: 3.7L V6 | 6101488 | 🇺🇸 US 🇨🇦 CA | Mini Fuse20 Amps, Yellow | View on Amazon |
30 Amp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LITTELFUSE Popular Fits: 3.7L V6 | JCAS30 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | JCASE High Amp Fuse30A | View on Amazon |
| BUSSMANN Fits: 3.7L V6 | ATM30 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 30 AmpsATM Series | View on Amazon |
| BUSSMANN Fits: 3.7L V6 | ATM30ID | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | ATM Series30 Amps | View on Amazon |
| BUSSMANN Fits: 3.7L V6 | FMX30 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | FMX Series30 Amps | View on Amazon |
| BUSSMANN Fits: 3.7L V6 | FMX30ID | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 30 AmpseasyID | View on Amazon |
| LITTELFUSE Fits: 3.7L V6 | MIN30 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Mini Fuse30A | View on Amazon |
40 Amp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN Fits: 3.7L V6 | FMX40 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | FMX Series40 Amp | View on Amazon |
| BUSSMANN Fits: 3.7L V6 | FMX40ID | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 40 AmpeasyID | View on Amazon |
| LITTELFUSE Fits: 3.7L V6 | JCAS40 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | JCASE High Amp Fuse40A | View on Amazon |
50 Amp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN Fits: 3.7L V6 | FMX50 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | FMX Series50 Amps | View on Amazon |
| LITTELFUSE Fits: 3.7L V6 | JCAS50 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | JCASE High Amp Fuse50A | 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.
27 Fuse parts are listed for the 2003 Jeep Liberty, from BUSSMANN, LITTELFUSE and MOPAR. BUSSMANN ATM10 carries the "Popular" badge. Grades run from 10 Amp through 50 Amp; 10 Amp is the most populated section, led by LITTELFUSE, BUSSMANN and MOPAR.
Fuse Box Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 3.7L V6 | 5093866AA | 🇺🇸 US 🇨🇦 CA | Power Distribution Center Cover | View on Amazon |
This table covers the Fuse Box covers.
One part is listed for the 2003 Jeep Liberty — MOPAR 5093866AA.
Horn
Accessory Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FIAMM Popular Fits: 3.7L V6 | 7210223 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Accessory HornFreeway Blaster | View on Amazon |
| FIAMM Fits: 3.7L V6 | 7211223 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Accessory Horn (Louder)FWY Blaster | View on Amazon |
| FIAMM Fits: 3.7L V6 | 72112 | 🇺🇸 US 🇨🇦 CA | Freeway BlasterAccessory Horn | View on Amazon |
| FIAMM Fits: 3.7L V6 | 7410024 | 🇺🇸 US 🇨🇦 CA | Accessory HornEl Grande | View on Amazon |
| FIAMM Fits: 3.7L V6 | 6602023 | 🇺🇸 US 🇨🇦 CA | Accessory HornRed | View on Amazon |
| FIAMM Fits: 3.7L V6 | 6602523 | 🇺🇸 US 🇨🇦 CA | Accessory HornChrome | View on Amazon |
| FIAMM Fits: 3.7L V6 | 6604523 | 🇺🇸 US 🇨🇦 CA | Ultimate Blast HornAccessory Horn | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FIAMM Popular Fits: 3.7L V6 | 7201223 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OE Replacement Tone2 Terminal Connection (Cut off and reuse OE Connector) | View on Amazon |
| FIAMM Popular Fits: 3.7L V6 | 7200223 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OE Replacement Tone2 Terminal Blade Connection (Cut off and reuse OE Connector) | View on Amazon |
| FIAMM Fits: 3.7L V6 | 7421122 | 🇺🇸 US 🇨🇦 CA | OE Replacement Horn KitIncludes OE Connectors & L Bracket | View on Amazon |
| FIAMM Fits: 3.7L V6 | 7421322 | 🇺🇸 US 🇨🇦 CA | OE Replacement Horn KitIncludes OE Connectors | View on Amazon |
| FIAMM Fits: 3.7L V6 | 7250622 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OE Replacement Horn KitIncludes OE Connectors & L Bracket | View on Amazon |
| FIAMM Fits: 3.7L V6 | 7250522 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OE Replacement Horn KitIncludes OE Connectors & L Bracket | View on Amazon |
This table covers the horns mounted in the front of the vehicle.
FIAMM supplies the 13 Horn parts for the 2003 Jeep Liberty. FIAMM 7210223 carries the "Popular" badge.
In the Accessory Replacement grade, FIAMM supplies 7 parts: grouped under the catalog's "Accessory Replacement" designation — the notes column spells out what sets them apart. A representative part number is FIAMM 7210223.
The Standard Replacement section lists 6 options from FIAMM — built to original-equipment specification. FIAMM 7201223 is listed in this group.
Keyless Entry Remote
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 3.7L V6 | 13776 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OE FIX | View on Amazon |
This table covers the key fobs that lock, unlock and start the vehicle.
This group shows a single part: DORMAN 13776.
Keyless Entry Remote Case
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 3.7L V6 | 13609 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Black | View on Amazon |
This table covers the replacement shells for the key fob.
This group shows a single part: DORMAN 13609.
Speed Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Popular Fits: 3.7L V6 | SK917647 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Transmission SpeedInput | View on Amazon |
| ATP Fits: 3.7L V6 | TE22 | 🇺🇸 US 🇨🇦 CA | Trans. code 42RLETransmission Speed | View on Amazon |
| ATP Fits: 3.7L V6 | TE21 | 🇺🇸 US 🇨🇦 CA | Trans. code 45RFE | View on Amazon |
| AUTOTECNICA Fits: 3.7L V6 | CY1320158 | 🇺🇸 US 🇨🇦 CA | Fits RenegadeTrans. code 45RFE | View on Amazon |
| BECK/ARNLEY Fits: 3.7L V6 | 0900041 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Transmission Code 42RLETransmission Speed | View on Amazon |
| BECK/ARNLEY Fits: 3.7L V6 | 0900043 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Transmission Code 42RLETransmission Speed | View on Amazon |
| DORMAN Fits: 3.7L V6 | 917647 | 🇺🇸 US 🇨🇦 CA | Fits Trans. code 45RFETransmission Speed | View on Amazon |
| DORMAN Fits: 3.7L V6 | 917670 | 🇺🇸 US 🇨🇦 CA | Trans. code 42RLETransmission Speed | View on Amazon |
| GPD Fits: 3.7L V6 | 1815488 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Transmission SpeedInput | View on Amazon |
| GPD Fits: 3.7L V6 | 1815505 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Transmission SpeedOutput | View on Amazon |
| HOLSTEIN Fits: 3.7L V6 | 2VSS0001 | 🇺🇸 US 🇨🇦 CA | Fits Trans. code 42RLETransmission Speed | View on Amazon |
| HOLSTEIN Fits: 3.7L V6 | 2VSS0068 | 🇺🇸 US 🇨🇦 CA | Trans. code 42RLETransmission Speed | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.7L V6 | SC226T | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | T-Series | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.7L V6 | SC306T | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | T-Series | View on Amazon |
| ULTRA-POWER Fits: 3.7L V6 | 5S4690 | 🇺🇸 US 🇨🇦 CA | Fits 45RFE TransInput | View on Amazon |
| VEMO Fits: 3.7L V6 | V33720095 | 🇺🇸 US 🇨🇦 CA | Trans. code 42RLETransmission Speed | View on Amazon |
| VEMO Fits: 3.7L V6 | V33720097 | 🇺🇸 US 🇨🇦 CA | Trans. code 42RLETransmission Speed | View on Amazon |
Full Service Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WALKER PRODUCTS Popular Fits: 3.7L V6 | 24091042 | 🇺🇸 US 🇨🇦 CA | Full Service Kit | View on Amazon |
| WALKER PRODUCTS Fits: 3.7L V6 | 24091063 | 🇺🇸 US 🇨🇦 CA | Full Service Kit | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DELPHI Popular Fits: 3.7L V6 | SS11424 | 🇺🇸 US 🇨🇦 CA | Fits Trans. code 42RLEwith Input Shaft Speed Sensor Transmission | View on Amazon |
| MOPAR Popular Fits: 3.7L V6 | 4799061AB | 🇺🇸 US 🇨🇦 CA | 3" in Length | View on Amazon |
| NTK Popular Fits: 3.7L V6 | AU0109 | 🇺🇸 US 🇨🇦 CA | Fits Trans. code 45RFETransmission Speed | View on Amazon |
| ROSTRA Popular Fits: 3.7L V6 | 501143 | 🇺🇸 US 🇨🇦 CA | Trans. code 42RLETSS | View on Amazon |
| DELPHI Fits: 3.7L V6 | SS12253 | 🇺🇸 US 🇨🇦 CA | Trans. code 42RLETransmission Speed | View on Amazon |
| NTK Fits: 3.7L V6 | AU0156 | 🇺🇸 US 🇨🇦 CA | Trans. code 42RLETransmission Speed | View on Amazon |
| ROSTRA Fits: 3.7L V6 | 501144 | 🇺🇸 US 🇨🇦 CA | Trans. code 42RLEVehicle Speed | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.7L V6 | SC226 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Vehicle Speedor Transmission SpeedInput | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.7L V6 | SC306 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Transmission SpeedOutput | View on Amazon |
| WALKER PRODUCTS Fits: 3.7L V6 | 2401042 | 🇺🇸 US 🇨🇦 CA | Fits Trans. code 45RFETransmission Input and Outputor Trans. code 42RLE | View on Amazon |
| WALKER PRODUCTS Fits: 3.7L V6 | 2401063 | 🇺🇸 US 🇨🇦 CA | Trans. code 42RLEVehicle Speed | View on Amazon |
| WELLS Fits: 3.7L V6 | 5S4690 | 🇺🇸 US 🇨🇦 CA | Fits Trans. code 45RFETransmission Speed | View on Amazon |
| WELLS Fits: 3.7L V6 | 5S5449 | 🇺🇸 US 🇨🇦 CA | Trans. code 42RLETransmission Speed | 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.
32 Speed Sensor parts are listed for the 2003 Jeep Liberty, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, ATP and 13 other brands. SKP SK917647 carries the "Popular" badge. Economy, Full Service Kit and Standard Replacement are all represented, and Economy alone accounts for 17 parts.
Starter Motor
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PURE ENERGY Popular Fits: 3.7L V6 | 17882N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| REMY Fits: 3.7L V6 | 99758 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | To 02/06/03 | View on Amazon |
| TERREPOWER Fits: 3.7L V6 | N17882 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | To 02/06/03 | View on Amazon |
| WAI GLOBAL Fits: 3.7L V6 | 17882N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 3.7L V6 | 3361973 | 🇺🇸 US 🇨🇦 CA | GoldRemanufactured | View on Amazon |
| PURE ENERGY Popular Fits: 3.7L V6 | 17882 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| BOSCH Fits: 3.7L V6 | SR6441X | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| DENSO Fits: 3.7L V6 | 2804245 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Reman | View on Amazon |
| FVP Fits: 3.7L V6 | 17882 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY Fits: 3.7L V6 | 17453 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY Fits: 3.7L V6 | 17407 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| TERREPOWER Fits: 3.7L V6 | 17882 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| TERREPOWER Fits: 3.7L V6 | 52154 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| WAI GLOBAL Fits: 3.7L V6 | 17882R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
14 Starter Motor parts for the 2003 Jeep Liberty come from 8 brands — REMY, TERREPOWER, PURE ENERGY and 5 other brands. The "Popular" part is PURE ENERGY 17882N.
The New section lists 4 options from PURE ENERGY, REMY, TERREPOWER and 1 other brand — brand-new units rather than rebuilt ones. PURE ENERGY 17882N is listed in this group.
The Remanufactured section lists 10 options from REMY, TERREPOWER, ACDELCO and 5 other brands — factory-rebuilt units with new wear components. ACDELCO 3361973 is listed in this group.
Starter Motor Heat Shield
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 3.7L V6 | 56044116AB | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Starter Motor Heat shields. Typical signs include a bent shield rubbing a rotor, or rust-through that leaves the backing open. A rubbing shield will eat a new rotor. Straighten or replace it before the wheel goes back on.
One part is listed for the 2003 Jeep Liberty — MOPAR 56044116AB.
Buying Electrical Parts for a 2003 Jeep Liberty
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.
- Match the engine first. Every electrical 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, 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: Speed Sensor and Alternator / Generator .
Frequently Asked Questions
How many electrical parts fit the 2003 Jeep Liberty?
Our catalog currently lists 138 electrical parts for the 2003 Jeep Liberty across 15 subcategories and 32 brands, covering both the 2.4L L4 and the 3.7L V6. Each part is matched to the engine(s) it fits.
Do electrical parts differ between 2003 Jeep Liberty engines?
Yes. Every electrical 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 electrical problems on a 2003 Jeep Liberty?
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 2003 Jeep Liberty 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 2003 Jeep Liberty?
First match the engine — each row shows which engine(s) the part fits. 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 2003 Jeep Liberty
Electrical Parts for Other Jeep Liberty 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.