McLaren Oil Change Seal Kit – O-Rings & Crush Washers

Description

This McLaren Oil Change Seal Kit provides the critical sealing components required during routine oil service on McLaren twin-turbo V8 engines.

It includes OEM-spec nitrile oil cooler line O-rings and crush washers used in the oil system to maintain proper sealing and oil pressure.

Since many McLaren models share the same V8 engine platform, this seal kit fits a wide range of vehicles using the M838T 3.8L and M840T 4.0L twin-turbo engines.

Features

• OEM-spec copper oil pan crush washer
• Aluminum oil cooler crush washer
• High-temperature nitrile (Buna-N) oil cooler O-rings
• Designed for McLaren twin-turbo V8 engines
• Compatible with M838T 3.8L and M840T 4.0L engines
• Direct-fit replacement for routine oil service
• Ideal for owners who already have an oil filter
• Bulk pricing available for multi-pack purchases

Compatible McLaren Models

This seal kit is commonly used during oil service on McLaren 570S, 600LT, 650S, 720S, 750S, and 765LT models. Compatible with vehicles using the M838T 3.8L and M840T 4.0L twin-turbo V8 engines.

📦 What’s Included in This McLaren Oil Change Seal Kit

• 1 Copper Oil Pan Crush Washer
• 1 Aluminum Oil Cooler Crush Washer
• 2 High-Temperature Nitrile (Buna-N) O-Rings (11F2806CP)

Oil filter & oil filter O-Rings not included.

Looking for the complete oil change kit including the oil filter? See our full McLaren oil change kit here.

Every sealing component is engineered for turbocharged oil systems.

🎥 See This Seal Kit Used in a Full Oil Change

This seal kit is used during a complete McLaren oil service and includes the O-rings and crush washers required for proper sealing.

Watch our full step-by-step oil change guide to see exactly where these components are installed, including oil drain, filter replacement, and service reset using DiagCode.

Watch this video on YouTube

⚙️ Why Nitrile (Buna-N) O-Rings Matter

Turbocharged engines operate under extreme heat and pressure. As a result, proper sealing becomes critical.

This McLaren oil change seal kit includes high-temperature Nitrile (Buna-N) O-rings instead of generic rubber alternatives.

Nitrile provides:

• Excellent oil resistance
• High temperature durability
• Long service life
• OEM-grade sealing performance

These seals are designed to withstand the heat and oil exposure present in high-performance turbocharged engines.

🏎 Engineered for McLaren Twin-Turbo V8 Engines

Unlike universal aftermarket kits, this seal kit is designed specifically for McLaren twin-turbo V8 platforms.

It fits vehicles using:

• M838T 3.8L twin-turbo V8
• M840T 4.0L twin-turbo V8

Many McLaren models share the same twin-turbo V8 platforms. Because of this, this seal kit fits a wide range of vehicles and provides precise OEM-spec sealing components.

🔁 Recommended Service Interval

For optimal protection, follow McLaren’s factory oil service schedule or your performance tuner’s recommendation.

Regular oil service is critical for turbocharged engines. Because of the increased heat and boost pressure, lubrication systems experience higher demands.

🚚 Fast U.S. Shipping from 720X Mods & Performance

Ships quickly from the USA.

Every McLaren oil change seal kit is packaged for secure delivery and ready for immediate installation.

Browse our full selection of McLaren performance parts, like the McLaren 720S Brake Light Flasher for the 720S, 750S, and 765LT.

🔧 Why Proper Oil Service Matters

Proper oil filtration protects turbochargers.
It also supports long-term engine reliability.

Fresh crush washers and high-temperature seals help:

• Maintain correct oil pressure
• Prevent leaks
• Protect turbocharger bearings
• Support long-term engine reliability

Routine service and maintenance protects your investment.

❓ Frequently Asked Questions

Is this McLaren oil change seal kit OEM quality?
Yes. The kit includes OEM-spec high-temperature nitrile O-rings and crush washers.

Which McLaren models does this seal kit fit?
It fits many McLaren models using the M838T or M840T twin-turbo V8 engines, including the 570S, 600LT, 650S, 720S, 750S, 765LT, Senna, and more.

Do I need additional seals or washers?
Yes. This kit excludes the oil filter and large and small oil filter O-Rings. It only includes the 2 oil cooler O-Rings and 2 crush washers required for a standard oil service.