ALX-PAU-RB-555-074-CL360A53 KARPARTS360 Steel Cup Expansion

Review KARPARTS360 For Chevy Steel Cup Expansion Plug 0.526 Inch Max. Diameter for CHEVY C3500HD 1994–1995

Introducing the Karparts360 ALX-PAU-RB-555-074-CL360A53 steel cup expansion plug, specifically engineered for Chevy C3500HD models from the years 1994 and 1995. This premium replacement part is designed to ensure optimal engine performance and longevity.

The ALX-PAU-RB-555-074-CL360A53 is a heavy-duty expansion plug, boasting a robust steel cup construction that can withstand the demands of commercial and heavy-duty applications. Its unique design features a high-temperature, heat-resistant porcelain insulator, ensuring efficient heat transfer between the engine coolant and the engine block.

This expansion plug comes equipped with a copper core, which facilitates superior conductivity and durability. It also includes a high-performance nickel-chromium alloy center electrode that offers excellent resistance to thermal shock and corrosion, ensuring reliable sparking and prolonged service life.

The ALX-PAU-RB-555-074-CL360A53 is manufactured to meet or exceed OEM specifications, ensuring a perfect fit and seamless integration with your Chevy C3500HD engine. Its installation process is straightforward, making it a convenient and cost-effective solution for fleet managers and DIY enthusiasts alike.

In conclusion, the Karparts360 ALX-PAU-RB-555-074-CL360A53 steel cup expansion plug is an essential component for maintaining the performance and reliability of your Chevy C3500HD engine. With its durable steel cup construction, high-performance electrode, and heat-resistant insulator, this replacement part is the ideal choice for heavy-duty applications and demanding driving conditions.

The Karparts360 ALX-PAU-RB-555-074-CL360A53 is a steel cup expansion plug designed for Chevy C3500HD models from 1994 to 1995. Here are some pros and cons to help you make an informed decision about purchasing this part:

1. OEM Quality: This plug is a direct fit replacement for the original part, ensuring proper engine performance and reliability.

2. Durability: The steel cup design provides improved durability and resistance to thermal shock compared to traditional copper plugs.

3. Improved Engine Performance: The expansion plug can help improve engine performance by ensuring optimal combustion and reducing the risk of misfires.

4. Reliable Supplier: Karparts360 is a reputable supplier of automotive parts, providing high-quality products and excellent customer service.

1. Cost: The price of this plug may be higher than some aftermarket alternatives, but the OEM quality and durability may justify the cost for some customers.

2. Availability: Depending on your location and the availability of the part at local auto part stores, you may need to order it online and wait for shipping.

In conclusion, the Karparts360 ALX-PAU-RB-555-074-CL360A53 is a high-quality, durable, and reliable expansion plug designed specifically for Chevy C3500HD models from 1994 to 1995. While it may come with a higher cost compared to some aftermarket alternatives, its OEM quality and improved engine performance make it a worthwhile investment for those seeking optimal performance and reliability from their vehicle.

Recommendation: If you own a Chevy C3500HD from 1994 to 1995 and are in need of a replacement expansion plug, the Karparts360 ALX-PAU-RB-555-074-CL360A53 is a recommended option due to its OEM quality, durability, and improved engine performance.

Details:

All products ship in pristine and original manufacturer packaging. High quality aftermarket replacement for oem parts. Factory sealed - brand new in box. The numbers have to match exactly or else it will not fit.

Misc notes 1: expansion plug. Warranty, all carlights360 products come with a 1-year limited warranty. KARPARTS360 for Chevy C3500HD 1994 1995 steel cup expansion plug 0.526 inches maximum diameter 0.518 minimum replacement 376301-s: item condition: brand new in original box, oem part #:376301-s, part slink #: material. Misc notes 2.

Dot certified for extra security and reliability, certification advantage.

specifications engineblocksam:

• for models: C3500hd
• for makes: Chevy
• for years: 1994–1995
• brand: Karparts360
• mpn: Alx-pau-rb-555-074-cl360a53
• type: Steel Cup Expansion Plug
• material: Steel
• oe/oem part number: 376301-s
• item weight: 0.8000
• fitment type: Direct Replacement
• generic keywords 1: Part
• intended use: Automobiles
• misc fitment notes: See Notes
• manufacturer warranty: 1 Year
• upc: 199854354381

returns engineblocksam:

• time: 30 days
• policy: returns accepted
• paid by: seller

seller engineblocksam:

• rating: 99.3%
• city: west chicago, il
• # reviews: 97836

general engineblocksam:

• category: Auto Parts > Car Truck Accessories > Engines > Blocks

offer engineblocksam:

• options: ship-to-home
• quantity: 5
• started: november 18, 2025
• availability: in stock
• sold #: 32

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shipping engineblocksam:

• class: standard
• type: fixed
• transit: 3-3 days
• service: standard