ALX-PAU-RB-555-072-CL360A53 KARPARTS360 Steel Cup Expansion

Review KARPARTS360 For Cadillac Steel Cup Expansion Plug 1.33 Inch Max. Dia for CADILLAC DEVILLE 1990–1995

Introducing the KarPartS360 ALX-PAU-RB-555-072-CL360A53, a top-tier steel cup expansion plug specifically designed for the Cadillac Deville models from 1990 to 1995. This essential engine component is engineered to meet and exceed the original equipment (OE) standards, ensuring optimal engine performance and longevity.

The ALX-PAU-RB-555-072-CL360A53 is a 1.33-inch cup expansion plug, featuring a robust steel construction that is resistant to the harsh conditions found within your engine cylinder. The steel body is designed to prevent cracking and warping, providing a reliable seal against combustion gases and delivering superior durability compared to traditional ceramic plugs.

This expansion plug is also equipped with a high-performance nickel chromium alloy center electrode, which offers excellent heat conductivity and resistance to thermal shock. The fine-wire design of the electrode ensures uniform heating and proper spark discharge, contributing to efficient combustion and improved fuel economy.

Additionally, the ALX-PAU-RB-555-072-CL360A53 comes with a corrosion-resistant, high-temperature resin insulator that protects the center electrode from the corrosive effects of engine coolant and other contaminants. The insulator also features a ribbed design, which enhances heat dissipation and promotes even cooling, ensuring consistent engine temperature and performance.

The KarPartS360 ALX-PAU-RB-555-072-CL360A53 is a direct replacement for the OE part, ensuring a perfect fit in your Cadillac Deville engine. The plug comes with a gasket and a new seal, ensuring a leak-free installation and a secure connection to the cylinder head.

In conclusion, the ALX-PAU-RB-555-072-CL360A53 steel cup expansion plug from KarPartS360 is an excellent choice for Cadillac Deville owners seeking reliable, high-quality engine components. Its robust steel construction, efficient heat conductivity, and corrosion-resistant design ensure optimal engine performance, longevity, and durability. Upgrade your Cadillac Deville today with this superior expansion plug and experience the difference for yourself!

Pros and Cons of buying a KarParts360 ALX-PAU-RB-555-072-CL360A53 Steel Cup Expansion Plug for Cadillac Deville (1990-1995)

a. OEM Quality: This part is specifically designed and manufactured to meet the original equipment specifications for Cadillac Deville models from 1990 to 1995.

b. Improved Engine Performance: A worn-out or faulty expansion plug can lead to a decrease in engine performance. Replacing it with a new one like the ALX-PAU-RB-555-072-CL360A53 can help restore optimal engine function.

c. Long-lasting: Steels cups are known for their durability and resistance to corrosion, making this expansion plug an excellent investment for long-term use.

d. Easy Installation: The plug is designed to fit securely in the engine cylinder head, ensuring a straightforward and hassle-free installation process.

a. Price: Original equipment parts, like the KarParts360 ALX-PAU-RB-555-072-CL360A53, can be more expensive compared to aftermarket alternatives.

b. Limited Availability: Replacement parts, especially for older models like the Cadillac Deville (1990-1995), may not be readily available at local auto parts stores and might require ordering online.

The KarParts360 ALX-PAU-RB-555-072-CL360A53 steel cup expansion plug is a high-quality replacement for Cadillac Deville models from 1990 to 1995. Its OEM design, durability, and improved engine performance make it an excellent choice for restoring optimal function to your vehicle. However, its higher price and limited availability are potential drawbacks.

If you're looking for a reliable and long-lasting solution for your Cadillac Deville's expansion plug issue, the ALX-PAU-RB-555-072-CL360A53 from KarParts360 is an excellent choice. The investment in this OEM part may be higher than aftermarket alternatives, but its superior quality and performance make it a worthwhile investment for your vehicle's long-term health.

Details:

Oem number: 2463042, 3698639, 3698693, 4105972, 4556021. All products ship in pristine and original manufacturer packaging. Brand new - sealed in a box. Describe type: cup type.

Oem part #:2463042 3698639. Misc notes 1: expansion plug. Part: steel cup expansion plug. Please refer to manufacturer for warranty information.

Material: steel. KARPARTS360 for Cadillac Deville 1990 91 92 93 94 1995 steel cup expansion plug 1.33 inches maximum diameter 1.317 minimum replacement 2463042, 3698639: item condition: brand new in original box.

specifications engineblocksam:

• for models: Deville
• for makes: Cadillac
• for years: 1990–1995
• brand: Karparts360
• mpn: Alx-pau-rb-555-072-cl360a53
• type: Steel Cup Expansion Plug
• material: Steel
• oe/oem part number: 2463042
• item weight: 0.3000
• fitment type: Direct Replacement
• generic keywords 1: Part
• oem equivalent part number 2: 3698639
• intended use: Automobiles
• misc fitment notes: See Notes
• manufacturer warranty: 1 Year
• upc: 199854354121

offer engineblocksam:

• started: december 1, 2025
• sold #: 32
• availability: in stock
• quantity: 7
• options: ship-to-home

payments engineblocksam:

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

seller engineblocksam:

• rating: 99.4%
• city: west chicago, il
• # reviews: 102432

returns engineblocksam:

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

general engineblocksam:

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

shipping engineblocksam:

• service: expedited
• transit: 4-9 days
• class: expedited
• type: fixed