ALX-PAU-RB-555-074-CL360A58 KARPARTS360 Steel Cup Expansion

Review KARPARTS360 For Chevy C1500/c2500 Steel Cup Expansion Plug 0.526 Inch Dia for CHEVY SUBURBAN C1500 C2500 1994–1995

Introducing the Karparts360 ALX-PAU-RB-555-074-CL360A58, a top-tier steel cup expansion plug specifically designed for the Chevrolet Suburban models from 1994 and 1995 with a 5.7L V8 engine (C1500 and C2500 series). This essential engine component is engineered to meet the highest standards of durability and performance, ensuring optimal engine efficiency and longevity.

The ALX-PAU-RB-555-074-CL360A58 is a direct OEM replacement that boasts several key features. The steel cup design offers superior resistance to the harsh conditions that can degrade conventional plugs, making it an excellent choice for those seeking a long-lasting solution. This particular plug boasts a 0.526 inch thread size, ensuring a perfect fit for your Suburban.

One of the most significant advantages of this expansion plug is its robust heating element, which is essential for maintaining consistent combustion temperatures. This well-designed heating element ensures a quicker engine start-up, improved fuel efficiency, and reduced emissions. The plug's insulator nose is constructed from high-quality ceramic material, which effectively insulates the plug from the engine's cylinder head, enabling even heat distribution and minimizing the risk of misfires.

Additionally, the ALX-PAU-RB-555-074-CL360A58 features a chromium-plated ground electrode, which resists corrosion and wear, ensuring a reliable electrical connection. The plug's RB (resistor band) design further enhances its performance by providing a stable voltage to the plug's heating element, ensuring consistent and efficient engine operation.

In conclusion, the Karparts360 ALX-PAU-RB-555-074-CL360A58 is an exceptional steel cup expansion plug designed specifically for the Chevrolet Suburban models from 1994 and 1995. Its robust design, superior materials, and advanced features make it a top choice for those seeking reliable engine performance and longevity. This plug is a direct OEM replacement that ensures a perfect fit and optimal engine performance, making it a worthwhile investment for any Suburban owner.

The part you're inquiring about is the Steel Cup Expansion Plug (part number ALX-PAU-RB-555-074-CL360A58) for Chevy Suburban models C1500 and C2500 from the years 1994 and 1995. Here are some potential pros and cons associated with purchasing this part:

1. Improved engine performance: A worn-out expansion plug can lead to decreased engine performance. Installing a new one can help restore optimal engine function.

2. Enhanced fuel efficiency: A faulty expansion plug can cause the engine to burn more fuel than necessary. Replacing it can result in improved fuel economy.

3. Increased reliability: A new expansion plug ensures that your engine is operating as intended, reducing the likelihood of unexpected breakdowns.

4. Longer lifespan: A high-quality expansion plug, such as the one offered by Karpart360, can last longer than a standard replacement part.

1. Cost: While the part itself may not be overly expensive, the total cost including labor and installation fees can add up.

2. Time investment: Replacing an expansion plug is not a quick process, especially if you're not performing the task yourself.

3. Installation complexity: Although the process of replacing an expansion plug is not overly complicated, it does require some level of mechanical ability and knowledge.

In conclusion, the decision to purchase the Steel Cup Expansion Plug (ALX-PAU-RB-555-074-CL360A58) for your Chevy Suburban ultimately depends on your budget, time constraints, and comfort level with automotive repairs. If you prioritize engine performance, fuel efficiency, and reliability, and are willing to invest the necessary time and resources, then purchasing this part is a worthwhile investment. However, if you're strapped for time or budget, you may want to consider alternative solutions, such as seeking professional repair services or exploring alternative parts options.

Recommendation: If you decide to move forward with purchasing the Steel Cup Expansion Plug (ALX-PAU-RB-555-074-CL360A58) for your Chevy Suburban, it is recommended to ensure that the part is compatible with your specific vehicle model and year, and to follow the proper installation instructions to ensure optimal performance and longevity. Additionally, consider seeking the assistance of a professional mechanic if you are not confident in your ability to perform the installation yourself.

Details:

All products ship in pristine and original manufacturer packaging. Misc notes 1: expansion plug. KARPARTS360 for Chevy C1500/c2500 Suburban 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. High quality aftermarket replacement for oem parts.

Warranty, all carlights360 products come with a 1-year limited warranty. The numbers have to match exactly or else it will not fit. Factory sealed - brand new in box. Misc notes 2.

Dot certified for extra security and reliability, certification advantage.

specifications engineblocksam:

• for models: C1500, C2500, Suburban
• for makes: Chevy
• for years: 1994–1995
• brand: Karparts360
• mpn: Alx-pau-rb-555-074-cl360a58
• 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: 199854354435

returns engineblocksam:

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

payments engineblocksam:

• other
• wallet: apple-pay
• credit card: discover

offer engineblocksam:

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

seller engineblocksam:

• # reviews: 97822
• rating: 99.3%
• city: west chicago, il

general engineblocksam:

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

shipping engineblocksam:

• service: standard
• transit: 4-4 days
• class: standard
• type: fixed