AC DELCO 85GTND82 Expansion Tank Cap

( Brand: Ac Delco ), ( Manufacturer Part Number: 85GTND82 ), ( Type: Expansion Tank Cap ), ( Fits 1: 1988-1991 Buick Regal ), ( Fit Note: Engine Coolant Reservoir Cap New; Orange Lettering ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Please Read All Notes To Confirm Fitment ), ( Cs-sku: 400 )

Review AC DELCO Expansion Tank Cap For Buick fits REGAL 1988–1991

Introducing the AC Delco 85GTN D82 Expansion Tank Cap, an essential component for maintaining the cooling system of your Buick Regal from the years 1988 to 1991. This cap is engineered to meet original equipment manufacturer (OEM) specifications, ensuring a perfect fit and reliable performance.

The 85GTN D82 Expansion Tank Cap is designed to securely seal the expansion tank, allowing it to expand and contract during temperature fluctuations without leaking coolant. The cap features a durable, reinforced design that resists corrosion and withstands the rigors of daily driving. Its smooth, contoured shape facilitates easy installation and removal.

This expansion tank cap is made from high-quality materials to provide superior sealing performance. The cap's O-ring seal ensures a tight fit, preventing coolant loss and maintaining the integrity of your cooling system. The cap also includes a pressure relief valve, which releases excess pressure when necessary to protect your engine from damage.

Installing the AC Delco 85GTN D82 Expansion Tank Cap is a straightforward process. Simply remove the old cap, apply a thin film of sealant to the new cap's O-ring, and securely tighten the new cap in place. No need for any complex tools or extensive mechanical knowledge this cap is designed for a hassle-free installation experience.

In conclusion, the AC Delco 85GTN D82 Expansion Tank Cap is an essential upgrade for your Buick Regal's cooling system from 1988 to 1991. With its OEM-specified design, durable construction, and easy installation, this cap provides reliable, leak-free performance and peace of mind for thousands of miles to come.

Pros and Cons of Buying an AC Delco 85GTN D82 Expansion Tank Cap for a Buick Regal (1988-1991)

a. **Brand Reputation:** AC Delco is a well-known and reputable automotive parts manufacturer. Their products are often OEM (Original Equipment Manufacturer) quality and are designed to fit and function as well as the original parts.

b. **Fitment:** The AC Delco 85GTN D82 Expansion Tank Cap is specifically designed for Buick Regal models from the years 1988 to 1991. This ensures a perfect fit and eliminates the need for modifications.

c. **Material:** This expansion tank cap is made of high-quality materials, including a durable, reinforced rubber gasket and a strong, corrosion-resistant metal body. This helps ensure a long lifespan and effective sealing.

a. **Cost:** Compared to some aftermarket alternatives, the AC Delco 85GTN D82 Expansion Tank Cap may be more expensive. However, the price reflects the quality of the product and the peace of mind that comes with using a trusted brand.

b. **Availability:** Depending on your location and the availability of parts at local auto parts stores, you may need to order this expansion tank cap online. This could result in a longer wait time for the part.

The AC Delco 85GTN D82 Expansion Tank Cap for Buick Regal (1988-1991) offers several advantages, including a trusted brand reputation, precise fitment, and high-quality materials. While the cost may be higher than some aftermarket alternatives, the peace of mind and reliability that come with using an OEM-equivalent part often outweigh the additional cost. If you're in need of a replacement expansion tank cap for your Buick Regal from the specified model years, the AC Delco 85GTN D82 is a solid choice.

If you're looking for a reliable and effective expansion tank cap for your Buick Regal from the years 1988 to 1991, we recommend considering the AC Delco 85GTN D82 Expansion Tank Cap. Its high-quality materials, precise fitment, and trusted brand reputation make it an excellent choice for maintaining the cooling system in your vehicle.

Details:

GM-recommended replacement part for your GM vehicles original factory component. 1988 - 1989 Buick Regal. Helps keep coolant pressure at required level. Manufactured to GM OE specification for fit, form, and function.

Offering the quality, reliability, and durability of GM OE. Expansion Tank Cap AC Delco 85GTND82 for Buick Regal 1988 1989 1990 1991: Brand: condition: New, Notes Engine Coolant Reservoir New; ORANGE LETTERING Features: Helps keep coolant from flowing out of your vehicles engine recovery tank.

part #: 85gtnd82 prices

• $65.15-$76.47

specifications radiatoranch:

• for models: Regal
• for makes: Buick
• for years: 1988-1991
• brand: Ac Delco
• mpn: 85gtnd82
• type: Expansion Tank Cap
• fits 1: 1988-1991 Buick Regal
• fit note: Engine Coolant Reservoir Cap New; Orange Lettering
• manufacturer warranty: 12 Month Warranty
• attention: Please Read All Notes To Confirm Fitment
• cs-sku: 400

payments radiatoranch:

• wallet: Apple-pay
• other
• credit card: Diners-club

seller radiatoranch:

• rating: 91.3%
• city: Tempe, Arizona
• # reviews: 52899

shipping radiatoranch:

• transit: 2-6 Days
• type: Fixed
• cost: $0.00
• class: Standard
• service: Standard

offer radiatoranch:

• started: October 16, 2025
• options: Ship-to-home
• sold: 0
• quantity: 1
• availability: In Stock

general radiatoranch:

• condition: New
• Car Truck Parts Accessories > Engine Cooling Components > Radiators

returns radiatoranch:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

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