ALX-PAU-RB-555-030-CLA10 KARPARTS360 Savana Cup Expansion Gmc

Review KARPARTS360 For Gmc Savana 3500/c3500hd Cup Expansion Plug 1.643 Inch Max Diameter for GMC 3500 C3500HD 1998–2000

Introducing the KARPARTS360 ALX-PAU-RB-555-030-CLA10, a top-tier cup expansion plug specifically designed for the GMC Savana 3500/C3500HD models from 1998 to 2000. This essential cooling system component ensures optimal engine performance and longevity by regulating the intake of coolant into the engine.

This KARPARTS360 cup expansion plug boasts a robust design, featuring a durable rubber insulator that effectively isolates the plug from the engine block, reducing heat transfer and minimizing the risk of thermal shock. The insulator is reinforced with a high-temperature resistant clamp that ensures a secure and leak-free installation.

At the heart of the ALX-PAU-RB-555-030-CLA10 lies a meticulously crafted, corrosion-resistant stainless steel cup. This cup accommodates the expansion of coolant as temperatures fluctuate, preventing potential damage to the engine caused by excessive pressure.

This KARPARTS360 cup expansion plug is an excellent upgrade for OEM components, providing enhanced durability and resistance to the harsh conditions found within an engine cooling system. By investing in a premium-quality plug like the ALX-PAU-RB-555-030-CLA10, you guarantee dependable engine performance and extended component life for your GMC Savana 3500/C3500HD.

In summary, the KARPARTS360 ALX-PAU-RB-555-030-CLA10 is an essential cooling system component that delivers superior performance for your GMC Savana 3500/C3500HD. Its robust design, featuring a durable rubber insulator, high-temperature resistant clamp, and corrosion-resistant stainless steel cup, ensures a secure and leak-free installation while providing enhanced durability and resistance to the harsh conditions found within an engine cooling system. Invest in this premium-quality cup expansion plug and enjoy optimal engine performance and extended component life for your vehicle.

The Karpart number ALX-PAU-RB-555-030-CLA10 refers to a cup expansion plug for GMC Savana 3500/C3500HD models from 1998 to 2000. This part is essential for maintaining the cooling system's functionality. Here are the pros and cons of buying this specific cup expansion plug from Karpart.

1. OEM Compatibility: This part is designed specifically for GMC Savana 3500/C3500HD models, ensuring a perfect fit and function.

2. Reliable Supplier: Karpart is a well-established automotive parts supplier with a reputation for providing high-quality components.

3. Availability: This part is readily available from Karpart and other automotive parts retailers, making it easy to find and purchase.

1. Price: Compared to some aftermarket alternatives, the price of this OEM part may be higher.

2. Limited Alternatives: While there are aftermarket alternatives available, they may not offer the same level of fit and function as the OEM part.

When considering the purchase of a cup expansion plug for a GMC Savana 3500/C3500HD from 1998 to 2000, the decision comes down to personal priorities. If you value the peace of mind that comes with using an OEM part and are willing to pay a slightly higher price, then the Karpart ALX-PAU-RB-555-030-CLA10 is an excellent choice. However, if you are looking for a more cost-effective alternative, you may want to explore aftermarket options. Ultimately, the decision is yours to make based on your budget, time constraints, and desired level of performance.

If you prioritize a perfect fit, reliable function, and the peace of mind that comes with an OEM part, then we recommend purchasing the Karpart ALX-PAU-RB-555-030-CLA10 cup expansion plug for your GMC Savana 3500/C3500HD.

Details:

The numbers have to match exactly or else it will not fit. Built for durability: made from high-quality materials, this product has been tested to ensure long-lasting performance. KARPARTS360 for Gmc savana 3500/c3500hd 1998 1999 2000 cup expansion plug steel 1.643 inches maximum diameter 1.63 minimum replacement 2121198, 3144643: item condition: brand new in original box, oem part #:2121198, part slink #: material. Dot certified for extra security and reliability, certification advantage.

Misc notes all products ship in pristine and original manufacturer packaging. Warranty, all carlights360 products come with a 1-year limited warranty. High quality aftermarket replacement for oem parts.

Misc notes 1: expansion plug. Factory sealed - brand new in box.

specifications engineblocksam:

• for models: 3500, C3500hd
• for makes: Gmc
• for years: 1998–2000
• brand: Karparts360
• mpn: Alx-pau-rb-555-030-cla10
• type: Cup Expansion Plug
• material: Steel
• oe/oem part number: 2121198
• item weight: 0.6900
• fitment type: Direct Replacement
• generic keywords 1: Part
• oem equivalent part number 2: 3144643
• intended use: Automobiles
• misc fitment notes: See Notes
• manufacturer warranty: 1 Year
• upc: 800111365230

seller engineblocksam:

• # reviews: 108833
• rating: 99.5%
• city: west chicago, il

offer engineblocksam:

• started: december 24, 2025
• availability: in stock
• options: ship-to-home
• sold #: 28
• quantity: 8

shipping engineblocksam:

• class: expedited
• type: fixed
• service: expedited
• transit: 3-7 days

general engineblocksam:

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

payments engineblocksam:

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

returns engineblocksam:

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