ALX-PAU-RB-555-076-CL360A54 KARPARTS360 Steel Cup Expansion

Review KARPARTS360 For Gmc C2500/c3500 Steel Cup Expansion Plug 2.143 Inch Max. Dia for GMC C2500 C3500 1998–2000

Introducing the KARPARTS360 ALX-PAU-RB-555-076-CL360A54, a critical replacement part designed specifically for the cooling system of GMC C2500 and C3500 models manufactured between 1998 and 2000. This steel cup expansion plug, also referred to as a thermostat housing, plays a crucial role in maintaining optimal engine temperature and coolant flow.

The ALX-PAU-RB-555-076-CL360A54 is meticulously engineered to meet or exceed original equipment manufacturer (OEM) specifications. Its robust steel construction ensures durability and reliability, while its precise dimensions and shape guarantee a perfect fit in your vehicle's cooling system.

This expansion plug features a unique design with a cup shape that allows for thermal expansion and contraction, ensuring that coolant flows efficiently through the engine. The plug's top is sealed with an O-ring to prevent coolant leakage, ensuring a secure and effective seal.

Installation of the ALX-PAU-RB-555-076-CL360A54 is straightforward and can typically be accomplished in under an hour by a competent do-it-yourselfer or a professional mechanic. This replacement part comes complete with all necessary hardware for installation, making it a convenient and hassle-free solution for maintaining the cooling system of your GMC C2500 or C3500.

By choosing the KARPARTS360 ALX-PAU-RB-555-076-CL360A54, you can trust that you are investing in a high-quality replacement part that will provide reliable service for years to come. This part is backed by KARPARTS360's commitment to customer satisfaction and their dedication to delivering only the best in automotive replacement parts.

In summary, the KARPARTS360 ALX-PAU-RB-555-076-CL360A54 is a critical replacement part designed for the cooling system of GMC C2500 and C3500 models from 1998 to 2000. Its robust steel construction, precise dimensions, and efficient design ensure optimal engine temperature and coolant flow, making it an essential investment for any vehicle owner.

A Detailed Analysis of buying a KarParts360 ALX-PAU-RB-555-076-CL360A54 Steel Cup Expansion Plug for GMC C2500/C3500 (1998-2000)

The KarParts360 ALX-PAU-RB-555-076-CL360A54 is a steel cup expansion plug designed for GMC C2500 and C3500 vehicles manufactured between 1998 and 2000. This analysis aims to provide you with a clear understanding of the potential advantages and disadvantages of purchasing this part.

1. OEM Quality: This part is a direct replacement for the original equipment manufactured (OEM) part. It ensures optimal engine performance and reliability.

2. Availability: The KarParts360 ALX-PAU-RB-555-076-CL360A54 is readily available from various online and offline retailers, ensuring quick and convenient access.

3. Durability: The steel cup expansion plug is known for its durability, reducing the likelihood of frequent replacements.

4. Cost-effective: Although the initial investment might be higher than some aftermarket alternatives, the long-term cost savings due to its durability make it a cost-effective choice.

1. Higher Initial Cost: Compared to aftermarket alternatives, the KarParts360 ALX-PAU-RB-555-076-CL360A54 may have a higher initial cost.

2. Limited Vendor Options: While widely available, it might not be available from all automotive parts retailers.

3. Potential for Overpaying: If you don't ensure you're purchasing this part from a reputable dealer, you might end up overpaying for it.

The decision to buy the KarParts360 ALX-PAU-RB-555-076-CL360A54 steel cup expansion plug for your GMC C2500 or C3500 (1998-2000) ultimately depends on your priorities. If you value reliability, convenience, and durability, and are willing to pay a slightly higher initial cost, this OEM part is an excellent choice. However, if you're budget-conscious and prefer to save on the initial investment, you might consider aftermarket alternatives.

Based on the analysis, if you prioritize reliability, convenience, and durability, I would recommend purchasing the KarParts360 ALX-PAU-RB-555-076-CL360A54 steel cup expansion plug from a reputable dealer. Ensure that you compare prices from multiple vendors to secure the best deal.

Details:

Oem part #:3172313 9421761. Oem number: 3172313, 9421761, j3172313. Material: steel. KARPARTS360 for Gmc C2500/c3500 1998 1999 2000 steel cup expansion plug 2.143 inches maximum diameter 2.132 minimum replacement 3172313, 9421761: item condition: brand new in original box.

Misc notes 1: expansion plug. Brand new - sealed in a box. Part: steel cup expansion plug. Please refer to manufacturer for warranty information.

Describe type: cup type. All products ship in pristine and original manufacturer packaging.

specifications engineblocksam:

• for models: C2500, C3500
• for makes: Gmc
• for years: 1998–2000
• brand: Karparts360
• mpn: Alx-pau-rb-555-076-cl360a54
• type: Automotive
• oe/oem part number: 3172313
• material: Steel
• item weight: 0.6000
• fitment type: Direct Replacement
• generic keywords 1: Part
• oem equivalent part number 2: 9421761
• intended use: Automobiles
• misc fitment notes: See Notes
• manufacturer warranty: 1 Year
• upc: 199854354558

seller engineblocksam:

• rating: 99.7%
• # reviews: 164152
• city: west chicago, il

payments engineblocksam:

• wallet: google-pay
• credit card: visa
• other

shipping engineblocksam:

• type: fixed
• service: expedited
• class: expedited
• transit: 4-7 days

returns engineblocksam:

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

general engineblocksam:

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

offer engineblocksam:

• availability: in stock
• started: may 3, 2026
• in stock #: 1
• price: $29.96
• item condition: New
• sold #: 27
• options: ship-to-home