1. Starters, Alternators, ECUs & Wiring Offers
  2. sku: 13333626622513741
  3. LEXUS IS250

LEXUS Engine Fuse Relay Junction Box 646.LE1J07 603A

fits model: Is250. make: Lexus. year: 2006–2010.

646.le1j07 Lexus 06-10 Is250 Engine Compartment Fuse Relay Junction Box 603a I

( Part Type: Fuse Engine Box ), ( Conditions Options: Fuse Relay Junction Box ), ( Genuine Oem: Yes ), ( Ipn: 646.le1j07 ), ( Year: 2007 ), ( Descriptionpartcondition: Item Is In Used Condition And May Have Scratches, Dents, Blemishe )

Review LEXUS Engine Compartment Fuse Relay Junction Box 603a fits IS250 2006–2010

Lexus IS250 (06-10) Engine Fuse Relay Junction Box 160-0160-P, Part Number: 603A

The Lexus IS250 (06-10) Engine Fuse Relay Junction Box 160-0160-P, part number 603A, is a crucial component of the electrical system in your vehicle. This fuse box is designed specifically for the IS250 models produced between 2006 and 2010.

Measuring approximately 10.5 inches long, 5.2 inches wide, and 2.3 inches high, this fuse box is compact yet robust. It is conveniently located in the engine compartment, making it easily accessible for maintenance and repairs.

The Lexus IS250 Engine Fuse Relay Junction Box 603A houses various fuses and relays that control different electrical systems in your vehicle. These include the fuel system, cooling system, lighting system, power windows, and power seats, among others. By ensuring that these fuses and relays are properly protected, this fuse box helps prevent electrical damage and keep your vehicle running smoothly.

Each fuse in the box is rated according to its specific amperage requirement, ensuring the safe distribution of electrical power. The fuse box also includes a visually intuitive layout, with clearly labeled fuse positions for easy identification and replacement.

This OEM (Original Equipment Manufacturer) part is a direct fit for your Lexus IS250, ensuring compatibility and reliability. It is engineered to meet the highest standards of quality and durability, providing you with peace of mind and a dependable driving experience.

Whether you're performing routine maintenance, troubleshooting electrical issues, or simply replacing a blown fuse, the Lexus IS250 (06-10) Engine Fuse Relay Junction Box 160-0160-P, part number 603A, is an essential tool to have on hand. With its precise engineering, user-friendly design, and commitment to performance, this fuse box is an indispensable component of your vehicle's electrical system.

Pros and Cons of Buying a Lexus IS250 (646.LE1J07) Engine Fuse Relay Junction Box 603A

The Lexus IS250 (646.LE1J07) Engine Fuse Relay Junction Box 603A is a critical component in ensuring the proper functioning of the electrical systems in your vehicle. Let's discuss some potential advantages and disadvantages of purchasing this part.

Pros:

1. Improved reliability: A faulty fuse relay junction box can cause various electrical issues. Replacing it with a new one ensures that the electrical systems in your vehicle function optimally.

2. Saves time and money: Diagnosing and repairing electrical problems caused by a faulty junction box can be time-consuming and costly. By replacing the faulty part directly, you save time and potentially money in the long run.

3. OEM quality: The 603A junction box is an original equipment manufactured (OEM) part. This means it's designed specifically for your Lexus IS250 and is guaranteed to fit and function as intended.

4. Enhanced safety: A faulty junction box can potentially lead to electrical shorts and even fires. Replacing it ensures that your vehicle's electrical systems are functioning safely.

Cons:

1. Cost: OEM parts like the 603A junction box can be more expensive compared to aftermarket alternatives.

2. Availability: Depending on your location and the availability of parts from your dealership, it may take some time to receive the part.

3. Installation complexity: While the installation process is generally straightforward, some users may find it challenging to locate and replace the junction box.

Conclusion:

The decision to buy the Lexus IS250 (646.LE1J07) Engine Fuse Relay Junction Box 603A depends on your personal preferences and circumstances. If you prioritize reliability, safety, and OEM quality, then this part is a worthwhile investment. However, if cost and availability are concerns, you may want to consider aftermarket alternatives. Ultimately, the decision is yours.

Recommendation:

If you decide to purchase the 646.LE1J07 06-10 IS250 Engine Fuse Relay Junction Box 603A, make sure to order it from a reputable dealer to ensure its authenticity. Additionally, consult your vehicle's repair manual or a professional mechanic for installation instructions to ensure a successful replacement.

specifications wiringwench:

  • for models: Is250
  • for makes: Lexus
  • for years: 2006-2010
  • part type: Fuse Engine Box
  • conditions options: Fuse Relay Junction Box
  • genuine oem: Yes
  • interchange part number: 646.LE1J07
  • year: 2007
  • descriptionpartcondition: Item Is In Used Condition And May Have Scratches, Dents, Blemishe

offer wiringwench:

  • sold: 0
  • quantity: 1
  • availability: In Stock
  • started: May 17, 2026
  • options: Ship-to-home
  • best offers: True

payments wiringwench:

  • other
  • credit card: Discover
  • cash
  • wallet: Paypal

seller wiringwench:

  • # reviews: 31346
  • rating: 99.9%

shipping wiringwench:

  • class: Economy, Standard
  • cost: $0.00
  • service: Economy, Standard
  • type: Fixed
  • transit: 4-9 Days

general wiringwench:

  • Car Truck Parts Accessories > Interior Parts Accessories > Switches Controls
  • condition: Used

returns wiringwench:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Seller
for models: is250, for makes: lexus, for years: 2006-2010, part type: fuse engine box, conditions options: fuse relay junction box, genuine oem: yes, year: 2007, descriptionpartcondition: item is in used condition and may have scratches, dents, blemishe,
manufacturer: lexus, category: auto parts > car truck parts accessories > interior parts accessories > switches controls, sku: 13333626622513741,

Lexus IS250 Is Similar To:

wiringwench logo
5 offers $519.00–$587.00 USD
  • Offer #1: $587.00 price + $25.00 delivery = $612.00* total. *OPEN FOR IMPORTANT FITMENT INFO*.+$25.00 shipping
  • Offer #2: $519.00 price + $25.00 delivery = $544.00* total.+$25.00 shipping
  • Offer #3: $529.00 price + $25.00 delivery = $554.00* total.+$25.00 shipping
  • Offer #4: $529.00 price + $25.00 delivery = $554.00* total.+$25.00 shipping
  • Offer #5: $791.00 price + $25.00 delivery = $816.00* total.+$25.00 shipping