Radiator shifting or rattling under the hood? Restore stability and vibration dampening with this OEM Radiator Assembly Mount Cushion (Part #21506-10V00), designed to properly secure your radiator within its cradle while absorbing engine and road vibrations.

Radiator Assembly Mount Cushion (21506-10V00) – OEM Replacement Part for Nissan

This genuine Nissan radiator insulator sits between the radiator and its mounting brackets or support frame. It plays a critical role in isolating the radiator from engine movement, road shock, and thermal expansion. A worn or missing mount cushion can result in noise, coolant leaks, or even cracked radiator tanks over time.

Specifications:
Part Type: Radiator Mounting Cushion / Insulator
Function: Cushions the radiator assembly and prevents metal-on-metal contact
Construction: High-density rubber or polyurethane composite
Position: Radiator upper or lower mounting points (varies by model)
Includes: One cushion (radiator may require 2 or 4 per vehicle depending on design)

Compatible Nissan Models:
1988–1993 Nissan 240SX – S13US
1994–1998 Nissan 240SX – S14US
2002–2008 Nissan 350Z – Z33US
2008–Present Nissan GT-R – R35US
2008–Present Nissan Z – Z34US
2006–2011 Nissan Altima Hybrid – L32HVUS
1997–2004 Nissan Frontier – D22UUS
2004–Present Nissan Frontier – D40US
2010–2012 Nissan Leaf – ZE0US
2012–2017 Nissan Leaf – ZE0UUS
1995–2004 Nissan Pathfinder – R50US
2004–2012 Nissan Pathfinder – R51US
1999–2004 Nissan Xterra – WD22US
2005–2015 Nissan Xterra – N50US
May also fit other models — confirm with VIN prior to purchase.
Check compatibility here by entering your VIN before ordering

Key Features:

• Genuine Nissan insulator for factory-correct fit

• Helps prevent radiator vibration, rattling, or stress fractures

• Maintains correct radiator alignment for airflow and fan clearance

• Made from high-grade rubber designed to resist heat and degradation

• Easy drop-in installation during radiator service or replacement

• Reduces strain on plastic radiator tanks and hose connections

Failing to Replace a Damaged Radiator Mount Can Lead To:

• Radiator Cracks – Constant vibration or misalignment causes fatigue

• Coolant Leaks – Stress at tank seams or hose necks leads to seepage

• Fan Blade Contact – Misalignment can cause interference with shroud or fan

• Excessive Engine Noise – Metal-on-metal contact transmits vibration

• Radiator Shift or Sagging – Leads to premature component wear

Related Components to Inspect or Replace:

• Radiator Support Bracket

• Upper and Lower Radiator Hoses

• Radiator Fan Assembly

• Cooling Fan Shroud

• Radiator Cap and Overflow Hose

Order with Confidence:
Order the Radiator Assembly Mount Cushion (21506-10V00) today to ensure your cooling system remains securely and properly mounted. This genuine Nissan insulator is the perfect fix for worn, cracked, or missing radiator cushions.

Restore Your Nissan with Genuine Accessories!
Looking to restore your Nissan? We offer factory-direct Nissan accessories at competitive prices, including all-weather floor mats, pet accessories, roof carriers, and wheel locks. Whether you're restoring protection, style, or utility, shop genuine Nissan parts and accessories all in one place!

Why Buy OEM Nissan Parts from Chapman Nissan?
Every OEM part listed on our site is genuine from Nissan, built to exact factory specs for fit, function, and safety. Unlike aftermarket parts, our components are tested to work seamlessly with your vehicle’s onboard systems — including sensors, ECM logic, and emission controls.

• Fast, secure shipping from a certified Nissan dealer

• VIN check available to ensure compatibility

• Trusted by Nissan owners and professional technicians

Note: To avoid issues with return eligibility or fitment, please verify your VIN before ordering. This part is non-returnable if installed.

Radiator shifting or rattling under the hood? Restore stability and vibration dampening with this OEM Radiator Assembly Mount Cushion (Part #21506-10V00), designed to properly secure your radiator within its cradle while absorbing engine and road vibrations.

Radiator Assembly Mount Cushion (21506-10V00) – OEM Replacement Part for Nissan

This genuine Nissan radiator insulator sits between the radiator and its mounting brackets or support frame. It plays a critical role in isolating the radiator from engine movement, road shock, and thermal expansion. A worn or missing mount cushion can result in noise, coolant leaks, or even cracked radiator tanks over time.

Specifications:
Part Type: Radiator Mounting Cushion / Insulator
Function: Cushions the radiator assembly and prevents metal-on-metal contact
Construction: High-density rubber or polyurethane composite
Position: Radiator upper or lower mounting points (varies by model)
Includes: One cushion (radiator may require 2 or 4 per vehicle depending on design)

Compatible Nissan Models:
1988–1993 Nissan 240SX – S13US
1994–1998 Nissan 240SX – S14US
2002–2008 Nissan 350Z – Z33US
2008–Present Nissan GT-R – R35US
2008–Present Nissan Z – Z34US
2006–2011 Nissan Altima Hybrid – L32HVUS
1997–2004 Nissan Frontier – D22UUS
2004–Present Nissan Frontier – D40US
2010–2012 Nissan Leaf – ZE0US
2012–2017 Nissan Leaf – ZE0UUS
1995–2004 Nissan Pathfinder – R50US
2004–2012 Nissan Pathfinder – R51US
1999–2004 Nissan Xterra – WD22US
2005–2015 Nissan Xterra – N50US
May also fit other models — confirm with VIN prior to purchase.
Check compatibility here by entering your VIN before ordering

Key Features:

• Genuine Nissan insulator for factory-correct fit

• Helps prevent radiator vibration, rattling, or stress fractures

• Maintains correct radiator alignment for airflow and fan clearance

• Made from high-grade rubber designed to resist heat and degradation

• Easy drop-in installation during radiator service or replacement

• Reduces strain on plastic radiator tanks and hose connections

Failing to Replace a Damaged Radiator Mount Can Lead To:

• Radiator Cracks – Constant vibration or misalignment causes fatigue

• Coolant Leaks – Stress at tank seams or hose necks leads to seepage

• Fan Blade Contact – Misalignment can cause interference with shroud or fan

• Excessive Engine Noise – Metal-on-metal contact transmits vibration

• Radiator Shift or Sagging – Leads to premature component wear

Related Components to Inspect or Replace:

• Radiator Support Bracket

• Upper and Lower Radiator Hoses

• Radiator Fan Assembly

• Cooling Fan Shroud

• Radiator Cap and Overflow Hose

Order with Confidence:
Order the Radiator Assembly Mount Cushion (21506-10V00) today to ensure your cooling system remains securely and properly mounted. This genuine Nissan insulator is the perfect fix for worn, cracked, or missing radiator cushions.

Restore Your Nissan with Genuine Accessories!
Looking to restore your Nissan? We offer factory-direct Nissan accessories at competitive prices, including all-weather floor mats, pet accessories, roof carriers, and wheel locks. Whether you're restoring protection, style, or utility, shop genuine Nissan parts and accessories all in one place!

Why Buy OEM Nissan Parts from Chapman Nissan?
Every OEM part listed on our site is genuine from Nissan, built to exact factory specs for fit, function, and safety. Unlike aftermarket parts, our components are tested to work seamlessly with your vehicle’s onboard systems — including sensors, ECM logic, and emission controls.

• Fast, secure shipping from a certified Nissan dealer

• VIN check available to ensure compatibility

• Trusted by Nissan owners and professional technicians

Note: To avoid issues with return eligibility or fitment, please verify your VIN before ordering. This part is non-returnable if installed.