Solid Mass Flywheel - Nissan Navara D40 YD25

This Solid Mass Flywheel (SMF) is a heavy-duty, single-piece upgrade for the Nissan Navara D40 equipped with the YD25 turbo-diesel engine. Located between the engine and the transmission, it bolts directly to the crankshaft to provide a durable friction surface for the clutch. This unit is engineered as a direct replacement for the original equipment Dual Mass Flywheel (DMF), offering a more robust and reliable alternative.

A flywheel replacement is typically required when fitting a new clutch or if the original unit shows signs of heat stress, surface cracks, or excessive wear. Many Navara D40 owners opt for this solid mass conversion to achieve superior durability and a more dependable long-term solution, especially for vehicles used for heavy towing, serious off-roading, or those with performance modifications.

Replacement is a major workshop job that requires removing the transmission. Common symptoms of a failing flywheel include severe clutch shudder, excessive drivetrain vibration, and difficulty changing gears. To ensure a complete and reliable repair, we highly recommend replacing the clutch kit, spigot bearing, and flywheel bolts at the same time. Using a poorly balanced or low-quality flywheel can lead to chronic vibration and potential damage to the engine and transmission.

Product Features

• Solid Mass Conversion: Replaces the complex factory Dual Mass Flywheel with a simpler, more robust single-piece design for enhanced reliability and a more direct feel.
• High-Grade Steel Construction: Manufactured from premium-grade steel for maximum strength and superior heat dissipation under heavy loads.
• Precision Balanced: Dynamically balanced to ensure smooth, vibration-free engine operation and perfect clutch engagement.
• Built for Tough Conditions: Designed to outlast original equipment dual-mass units, making it a smart, cost-effective upgrade for high-kilometre or hard-working 4x4s.
• Direct-Fit Design: Engineered to match OE specifications for a straightforward installation when paired with a compatible SMF clutch kit.

Vehicle Fitment

• 2005-2015 D40 Navara Ute Dual Cab, Ute King Cab, Ute Single Cab, YD25DDTI

Genuine Nissan Product Alternative

For owners wanting to maintain their vehicle to factory specifications, we also stock a range of Genuine Nissan components. Nissan is a Japanese multinational automobile manufacturer known for its robust vehicle lineup, including the Patrol and Navara 4x4s. Using genuine Nissan OEM parts ensures factory-level quality, fitment, and performance, helping to maintain your vehicle's original reliability.

The team at Patrolapart are experts with years of experience with Nissan products and can help with any enquiries about the brand, its product range, and all Nissan 4x4 parts. Give us a call on 03 9735 9099.