PACCAR 3-1203A Cooler Oil

( Brand: Paccar ), ( Part Type: Oil Cooler ), ( Manufacturer Part Number: 3-1203A )

Review PACCAR Cooler Oil

Introducing the Paccar 3-1203A Cooler Oil, a high-performance lubricant specifically designed for use in heavy-duty cooling systems. This premium oil is engineered to provide superior protection and extended service life in the demanding conditions encountered in commercial transportation applications.

The Paccar 3-1203A Cooler Oil is formulated using advanced synthetic technology that delivers outstanding thermal stability, oxidation resistance, and shear stability. Its unique molecular structure enables it to resist breaking down at high temperatures, ensuring consistent film strength and effective cooling system protection.

This oil is compatible with a wide range of cooling system materials, including aluminum, brass, copper, steel, and elastomers. It also exhibits excellent demulsibility, making it effective in separating water from the oil, thereby preventing corrosion and maintaining cooling system efficiency.

The Paccar 3-1203A Cooler Oil is fortified with anti-wear additives that help protect against wear and tear in the cooling system, while also providing excellent rust and corrosion protection. Its low volatility and excellent air release properties ensure efficient oil retention in the cooling system, minimizing the need for frequent top-ups.

This oil is suitable for use in a variety of heavy-duty cooling applications, including engine cooling systems, transmissions, axles, and hydraulic systems. Its high viscosity index ensures that it maintains its fluidity in both hot and cold temperatures, ensuring reliable performance in all operating conditions.

The Paccar 3-1203A Cooler Oil is backed by extensive research and development, ensuring that it meets the highest standards of quality and performance. It is also fully compatible with the latest engine and cooling system technologies, making it a top choice for fleet operators and maintenance professionals.

In summary, the Paccar 3-1203A Cooler Oil is a high-performance lubricant that provides superior protection and extended service life for heavy-duty cooling systems. Its advanced synthetic technology, excellent thermal stability, and broad compatibility make it an ideal choice for commercial transportation applications, ensuring reliable and efficient operation in even the most demanding conditions.

Paccar 3-1203A Cooler Oil: A Comprehensive Analysis

The Paccar 3-1203A coolant oil is specifically designed for use in Paccar engines. This oil plays a crucial role in the cooling system, ensuring efficient engine operation. In this analysis, we will discuss the pros and cons of using Paccar 3-1203A coolant oil.

1. Manufacturer Recommendation: Using Paccar 3-1203A coolant oil as recommended by the engine manufacturer ensures that the warranty remains valid and the engine performs optimally.

2. Enhanced Cooling Performance: This oil provides superior cooling performance by reducing the operating temperature of the engine, which in turn leads to longer engine life and improved fuel efficiency.

3. Longer Service Intervals: Paccar 3-1203A coolant oil offers extended service intervals, reducing the frequency of maintenance and saving time and money.

4. Compatibility: This coolant oil is compatible with most heavy-duty engine cooling systems, making it a versatile choice for various applications.

1. Cost: Paccar 3-1203A coolant oil is more expensive than some aftermarket alternatives, which could be a deterrent for some buyers.

2. Availability: In remote areas or smaller markets, finding Paccar 3-1203A coolant oil might be challenging, which could lead to inconvenience or downtime.

The Paccar 3-1203A coolant oil offers several advantages, including enhanced cooling performance, longer service intervals, and compatibility with various heavy-duty engine cooling systems. However, its higher cost and limited availability might be disadvantages for some buyers.

Considering the benefits of using Paccar 3-1203A coolant oil, it is recommended for those who prioritize engine performance, longevity, and the peace of mind that comes with using a manufacturer-recommended product. For those who operate in remote areas or have a limited budget, an aftermarket coolant oil may be a more practical choice. Ultimately, the decision depends on individual needs, priorities, and constraints.

part # 31203a prices

• $338.99-$479.60

specifications motochilled:

• brand: Paccar
• part type: Oil Cooler
• manufacturer part number: 3-1203A

seller motochilled:

• rating: 98.6%
• # reviews: 57406

general motochilled:

• condition: New
• Car Truck Parts Accessories > Engine Cooling Components > Engine Oil Coolers Lines

returns motochilled:

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

shipping motochilled:

• service: Standard
• type: Fixed
• class: Standard
• transit: 3-7 Days
• cost: $0.00

offer motochilled:

• availability: In Stock
• options: Ship-to-home
• quantity: 1
• started: November 3, 2025
• best offers: True
• sold: 0

payments motochilled:

• wallet: Paypal
• credit card: Discover
• other

Paccar 3-1203A Is Similar To:

• Paccar 1857500 Mx13 Engine Oil Cooler #1857500 (50.7% similar) $285.00–$375.99. (December 2nd, 2024)
• Tim-auto 1780140 New For Paccar Cooler-oil Part Number Gaskets (34.5% similar) $60.00. (January 28th, 2025)
• Paccar 2184274pe Genuine Oil Cooler Mx-13 Epa17 (44.4% similar) $342.99–$700.00. (May 29th, 2025)
• Paccar 1682342 Oil Supply Compressor Pipe (42.4% similar) $65.99–$109.95. (June 22nd, 2025)
• Rideparts Hub 2397569 For Kenworth Peterbuilt Paccar Oil Cooler Mx13 Epa17 (30.3% similar) $319.99. (August 18th, 2025)
• Paccar #2146959 Pacer Oil Cooler (56.1% similar) $343.79–$1195.00. (August 29th, 2025)
• Paccar 2273314 Genuine Oil Cooler Module (55.4% similar) $1000.00–$2955.82. (December 19th, 2025)
• Paccar 1702780pac Gearbox Oil Cooler (55.7% similar) $1402.52–$2380.52. (February 2nd, 2026)
• Paccar 2047415pe Oem Gasket Set Oil Cooler (50.7% similar) $42.99–$66.00. (February 22nd, 2026)
• Paccar 2146959pe Oil Cooler Engine (57.6% similar) $350.00–$1195.00. (May 2nd, 2026)
• Paccar 1299hay Cooler Oil (84% similar) $228.29–$266.00. (May 3rd, 2026)