How to inspect and replace battery cables on Lexus RX350?

Periodically inspect the entire length of each battery cable for damage, cracked or burned insulation, and corrosion. Poor battery cable connections can cause starting problems and decreased engine performance. Also, inspect the cable-to-terminal connections at the ends of the cables for cracks, loose wire strands, and corrosion. The presence of white, fluffy deposits under the insulation at the cable terminal connection is a sign of corrosion and indicates the need for replacement. Check the terminals for distortion, missing mounting bolts, and corrosion. When removing the cables, always disconnect the negative cable first and hook it up last to avoid accidentally shorting the battery. Even if only the positive cable is being replaced, disconnect the negative cable from the battery first. Disconnect the old cables from the battery and trace each of them to their opposite ends, detaching them from the starter solenoid and ground terminals. Note the routing of each cable for correct installation. If replacing the cables, take the old ones with you when buying new ones to ensure identical replacements. Positive cables are usually red and larger in cross-section, while ground cables are usually black and smaller. Clean the threads of the solenoid or ground connection with a wire brush to remove rust and corrosion, and apply a light coat of battery terminal corrosion inhibitor or petroleum jelly to prevent future corrosion. Attach the cable to the solenoid or ground connection and tighten the mounting nut/bolt securely. Before connecting a new cable to the battery, ensure it reaches the battery post without needing to be stretched. Connect the positive cable first, followed by the negative cable.

Genuine Lexus RX350 Battery Cable

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23 Battery Cables found

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Lexus RX350 Wire, Hybrid Battery Pack, NO.1
Part Number: G92X1-48010
$27.59 MSRP: $35.58
You Save: $7.99 (23%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Wire
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2010-2015 Lexus RX350 | STD | 6 Cyl 3.5L | 2GRFXE; GYL10L-AWXGKA, GYL10L-CWXGKA, GYL15L-AWXGKA, GYL15L-CWXGKA
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Lexus RX350 Wire, Hv Battery Pack
Part Number: G92X2-48010
$78.58 MSRP: $106.27
You Save: $27.69 (27%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Wire, Hv Battery Pack, No.2; Wire
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2010-2015 Lexus RX350 | STD | 6 Cyl 3.5L | 2GRFXE; GYL10L-AWXGKA, GYL10L-CWXGKA, GYL15L-AWXGKA, GYL15L-CWXGKA
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Lexus RX350 Cable, Hv Battery Pack
Part Number: G92Y2-48010
$59.61 MSRP: $79.33
You Save: $19.72 (25%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cable, Hv Battery Pack, No.2; Cable
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2010-2015 Lexus RX350 | STD | 6 Cyl 3.5L | 2GRFXE; GYL10L-AWXGKA, GYL10L-CWXGKA, GYL15L-AWXGKA, GYL15L-CWXGKA
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Lexus RX350 Wire, Hv AIRCONDITIO
Part Number: 821H2-0E010
$131.84 MSRP: $178.29
You Save: $46.45 (27%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Wire, Hv Air Conditioner
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2016-2022 Lexus RX350 | 6 Cyl 3.5L | 2GRFXS; GYL20L-CWXGBA, GYL25L-CWXGBA
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Lexus RX350 WIRE, HV BATTERY CHA
Part Number: 821H5-48010
$1038.47 MSRP: $1439.45
You Save: $400.98 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2023-2025 Lexus RX350 | 4 Cyl 2.4L | T24AFTS; TALH17L-AWTGTA, TALH17L-CWTGTA
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Lexus RX350 WIRE, HV BATTERY PAC
Part Number: G92X1-48030
$65.02 MSRP: $87.92
You Save: $22.90 (27%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Wire
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2023-2025 Lexus RX350 | 4 Cyl 2.4L | T24AFTS; TALH17L-AWTGTA, TALH17L-CWTGTA
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Lexus RX350 Earth Wire
Part Number: 82284-78020
$66.78 MSRP: $90.30
You Save: $23.52 (27%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: WIRE, EARTH; Negative Cable
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2023-2025 Lexus RX350 | 4 Cyl 2.4L | T24AFTS; TALA10L-AWZGTA
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Lexus RX350 Wire, Hv AIRCONDITIO
Part Number: 821H2-48010
$135.87 MSRP: $183.74
You Save: $47.87 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2016-2022 Lexus RX350 | STD | 6 Cyl 3.5L | 2GRFXS; GYL25L-AWXGBA
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Lexus RX350 Wire, Hv AIRCONDITIO
Part Number: 821H2-42030
$200.38 MSRP: $270.98
You Save: $70.60 (27%)
Ships in 1-3 Business Days
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Product Specifications
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2023-2025 Lexus RX350 | 4 Cyl 2.5L | A25AFXS; AALH16L-AWXGBA
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Lexus RX350 WIRE, HV AIRCONDITIO
Part Number: 821H2-78010
$288.21 MSRP: $392.96
You Save: $104.75 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2023-2025 Lexus RX350 | 4 Cyl 2.5L | A25AFXS; AALH15L-AWXGBA
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Lexus RX350 WIRE, HV BATTERY VOL
Part Number: G92T2-48070
$35.15 MSRP: $46.78
You Save: $11.63 (25%)
Ships in 1-2 Business Days
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Product Specifications
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2023-2025 Lexus RX350 | 4 Cyl 2.4L | T24AFTS; TALH17L-AWTGTA, TALH17L-CWTGTA
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Lexus RX350 WIRE, HV BATTERY PAC
Part Number: G92X1-48040
$54.69 MSRP: $72.77
You Save: $18.08 (25%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Wire
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2023-2025 Lexus RX350 | 4 Cyl 2.5L | A25AFXS; AALH15L-AWXGBA, AALH15L-CWXGBA
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Lexus RX350 Cable, Hv Battery Pack
Part Number: G92Y2-48030
$55.36 MSRP: $73.67
You Save: $18.31 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cable, Hv Battery Pack, No.2; Cable
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2016-2022 Lexus RX350 | STD | 6 Cyl 3.5L | 2GRFXS; GYL20L-CWXGBA, GYL25L-AWXGBA, GYL25L-CWXGBA
View related parts
Lexus RX350 Wire, Hv Battery Pack
Part Number: G92X2-48030
$61.11 MSRP: $81.32
You Save: $20.21 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Wire, Hv Battery Pack, No.2; Wire
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2016-2022 Lexus RX350 | STD | 6 Cyl 3.5L | 2GRFXS; GYL20L-CWXGBA, GYL25L-AWXGBA, GYL25L-CWXGBA
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Lexus RX350 Earth Wire No.2
Part Number: 82286-48020
$65.11 MSRP: $86.65
You Save: $21.54 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Wire, Earth, NO.2
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2010 Lexus RX350 | STD | 6 Cyl 3.5L | 2GRFXE; GYL10L-AWXGKA, GYL15L-AWXGKA
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Lexus RX350 Earth Wire No.2
Part Number: 82286-0E070
$66.73 MSRP: $88.80
You Save: $22.07 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Wire, Earth, NO.2
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2016-2022 Lexus RX350 | 6 Cyl 3.5L | 2GRFXS; GYL20L-CWXGBA, GYL25L-CWXGBA
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Lexus RX350 Earth Wire No.2
Part Number: 82286-48060
$67.79 MSRP: $90.21
You Save: $22.42 (25%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Wire, Earth, NO.2
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2016-2022 Lexus RX350 | STD | 6 Cyl 3.5L | 2GRFXS; GYL25L-AWXGBA
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Lexus RX350 Earth Wire No.2
Part Number: 82286-48010
$102.24 MSRP: $136.05
You Save: $33.81 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Wire, Earth, NO.2
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2010 Lexus RX350 | STD | 6 Cyl 3.5L | 2GRFE; GGL10L-AWTGKA, GGL10L-CWTGKA, GGL15L-AWTGKA, GGL15L-CWTGKA
View related parts
Lexus RX350 Earth Wire
Part Number: 82284-48030
$3.51 MSRP: $4.53
You Save: $1.02 (23%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Wire, Earth; Wire
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2010-2015 Lexus RX350 | STD | 6 Cyl 3.5L | 2GRFXE; GYL10L-AWXGKA, GYL10L-CWXGKA, GYL15L-AWXGKA, GYL15L-CWXGKA
View related parts
Lexus RX350 WIRE, HV BATTERY VOL
Part Number: G92T2-48060
$27.57 MSRP: $35.55
You Save: $7.98 (23%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2023-2025 Lexus RX350 | 4 Cyl 2.5L | A25AFXS; AALH15L-AWXGBA, AALH15L-CWXGBA

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Lexus RX350 Battery Cable

The Lexus RX350 Battery Cable conducts power from the battery to the starter and electronics, allowing the SUV to fire up at will. In all RX350s, there are two thick copper conductors, a positive Battery Cable and a negative Battery Cable ground, which make up a closed loop completing the electrical circuit. These cables transmit high current from the battery to the starter motor and provide a good path back, so without the solid connection, the Lexus engine may crank slowly or not at all. Over years of heat, vibration, and moisture, the copper strands can lose conductivity, rubber insulation can crack, and the ends of the cable can warp or corrode, all of which put resistance in the path, starving the starter. Lexus drivers of the RX350 are advised to inspect for frayed insulation, rust-flecked terminals, or voltage drops with a multimeter before trouble strikes. If symptoms such as hard starting are present, swapping in a fresh Battery Cable restores the crisp energy flow the electrical system expects. The only style change of interest is not one of model year but of function; the vehicle makes use of both positive and negative Battery Cable variations, the first feeding power outwards, the second securing the circuit to chassis ground. Keeping these simple but important components clean and tight ensures that each and every Lexus component from headlights to infotainment gets a steady current, ensuring that your RX350 remains ready to roll whenever you turn the key.

Should you need to purchase new auto parts for your vehicle, we strongly suggest you consider the genuine Lexus RX350 Battery Cable available on LexusPartsNow.com. Our OEM Lexus RX350 Battery Cable come with the reassurance of the manufacturer's warranty, a hassle-free return policy, and speedy delivery service, all at affordable prices online. Feel free to shop with confidence!

Lexus RX350 Battery Cable Parts Questions & Experts Answers

Wire, Hv Battery Pack
G92X2-48010
Q: How to inspect and replace battery cables on Lexus RX350?
A:
Periodically inspect the entire length of each battery cable for damage, cracked or burned insulation, and corrosion. Poor battery cable connections can cause starting problems and decreased engine performance. Also, inspect the cable-to-terminal connections at the ends of the cables for cracks, loose wire strands, and corrosion. The presence of white, fluffy deposits under the insulation at the cable terminal connection is a sign of corrosion and indicates the need for replacement. Check the terminals for distortion, missing mounting bolts, and corrosion. When removing the cables, always disconnect the negative cable first and hook it up last to avoid accidentally shorting the battery. Even if only the positive cable is being replaced, disconnect the negative cable from the battery first. Disconnect the old cables from the battery and trace each of them to their opposite ends, detaching them from the starter solenoid and ground terminals. Note the routing of each cable for correct installation. If replacing the cables, take the old ones with you when buying new ones to ensure identical replacements. Positive cables are usually red and larger in cross-section, while ground cables are usually black and smaller. Clean the threads of the solenoid or ground connection with a wire brush to remove rust and corrosion, and apply a light coat of battery terminal corrosion inhibitor or petroleum jelly to prevent future corrosion. Attach the cable to the solenoid or ground connection and tighten the mounting nut/bolt securely. Before connecting a new cable to the battery, ensure it reaches the battery post without needing to be stretched. Connect the positive cable first, followed by the negative cable.

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