
20850-4BB0A Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $99.02 | Condition is New, Genuine Nissan Heat Shield 20850-4BB0A, FREE SHIPPING | 99.2% |
![]() | $114.80 | Condition is New, Genuine Nissan Heat Shield 20850-4BB0A, FREE SHIPPING | 99.6% |
![]() | $94.38 | Condition is New, Genuine Nissan Heat Shield 20850-4BB0A, shipping cost = $21.56 | 99.6% |
![]() | $95.93 | Top Pick! Condition is New, Genuine Nissan Heat Shield 20850-4BB0A, shipping cost = $21.75 | 99.5% |
![]() | $95.93 | Condition is New, Genuine Nissan Heat Shield 20850-4BB0A, shipping cost = $21.75 | 99.2% |
![]() | $96.31 | Top Pick! Condition is New, Genuine Nissan Heat Shield 20850-4BB0A, shipping cost = $20.27 | 99.4% |
![]() | $96.31 | Condition is New, Genuine Nissan Heat Shield 20850-4BB0A, shipping cost = $21.38 | 99.9% |
![]() | $96.31 | Top Pick! Condition is New, Genuine Nissan Heat Shield 20850-4BB0A, shipping cost = $21.75 | 99.2% |
![]() | $96.70 | Condition is New, Genuine Nissan Heat Shield 20850-4BB0A, shipping cost = $21.75 | 99.0% |
![]() | $96.70 | Condition is New, Genuine Nissan Heat Shield 20850-4BB0A, shipping cost = $21.75 | 100.0% |
![]() | $97.47 | Condition is New, Genuine Nissan Heat Shield 20850-4BB0A, shipping cost = $21.75 | 99.1% |
![]() | $98.25 | Condition is New, Genuine Nissan Heat Shield 20850-4BB0A, shipping cost = $21.75 | 99.9% |
![]() | $99.02 | Condition is New, Genuine Nissan Heat Shield 20850-4BB0A, shipping cost = $21.75 | 98.0% |
![]() | $99.02 | Condition is New, Genuine Nissan Heat Shield 20850-4BB0A, shipping cost = $21.75 | 100.0% |
![]() | $99.02 | Condition is New, Genuine Nissan Heat Shield 20850-4BB0A, shipping cost = $21.75 | 97.9% |
![]() | $99.02 | Top Pick! Condition is New, Genuine Nissan Heat Shield 20850-4BB0A, shipping cost = $21.75 | 100.0% |
![]() | $100.57 | Condition is New, Genuine Nissan Heat Shield 20850-4BB0A, shipping cost = $21.75 | 99.7% |
![]() | $102.12 | Condition is New, Genuine Nissan Heat Shield 20850-4BB0A, shipping cost = $21.75 | 100.0% |
![]() | $147.93 | Condition is New, Genuine Nissan OE Shuroud-Catalyst Converter Upper 20850-4BB0A, FREE SHIPPING | 98.5% |

The Nissan 20850-4BB0A Heat Shield is an essential automotive component designed to protect various parts of your vehicle from the extreme heat generated by the exhaust system. This heat shield is specifically engineered for Nissan models and is a direct fit for select vehicles.
The heat shield is made from high-quality materials, including a combination of insulating and reflective materials, which effectively shields heat away from sensitive components. These materials work together to minimize the transfer of heat from the exhaust system to the undercarriage of the vehicle, maintaining optimal temperatures for various components and improving overall vehicle performance.
The Nissan 20850-4BB0A Heat Shield features a robust and durable design to ensure long-lasting protection. Its secure fitment design helps prevent heat shield rattle and ensures a snug fit against the exhaust system and other components. Furthermore, its heat-resistant coating provides an additional layer of protection against the intense heat generated by the exhaust system.
The heat shield is easy to install and requires no drilling or modification to the vehicle. It can be installed in a short amount of time, making it a convenient solution for maintaining the longevity and performance of your Nissan vehicle.
Additionally, the heat shield helps reduce the amount of heat that enters the passenger compartment, creating a more comfortable driving experience for you and your passengers. By protecting the undercarriage from excessive heat, it also helps prevent rust and corrosion, ensuring the structural integrity of your vehicle.
In summary, the Nissan 20850-4BB0A Heat Shield is a crucial automotive component that provides effective heat insulation for your vehicle, ensuring optimal performance and a more comfortable driving experience. Its durable design, easy installation, and long-lasting protection make it an excellent investment for any Nissan owner.
Nissan 20850-4BB0A Heat Shield: Pros, Cons, and Conclusion
The Nissan 20850-4BB0A heat shield is a critical component designed to protect various automotive parts from excessive heat generated by the exhaust system. While considering purchasing this heat shield, it's essential to weigh its advantages and disadvantages.
Pros:1. Effective Heat Protection: This heat shield efficiently insulates sensitive components from high temperatures, preventing damage and enhancing their performance.
2. Durability: Manufactured from high-temperature materials, the heat shield is designed to withstand the harsh conditions of the exhaust system for an extended period.
3. Easy Installation: The heat shield can typically be installed with minimal tools, saving both time and money for the vehicle owner.
4. Improved Fuel Efficiency: By shielding the undercarriage from excessive heat, the heat shield can help improve fuel efficiency, as the engine doesn't have to work as hard to maintain optimal temperatures.
Cons:1. Cost: While the heat shield is an essential component, it may come with a higher price tag compared to other aftermarket parts.
2. Limited Availability: In some cases, it may be challenging to find this specific heat shield for certain vehicle makes and models, especially from local auto parts stores.
3. Potential Fitment Issues: There's always a risk of fitment problems when installing aftermarket parts, which may require additional time and effort to address.
4. Maintenance: The heat shield may require periodic inspection and maintenance to ensure it remains effective and continues to protect the underlying components.
Conclusion:The Nissan 20850-4BB0A heat shield is a valuable investment for vehicle owners, offering effective heat protection, durability, and potential fuel efficiency improvements. However, it comes with some drawbacks, including cost, limited availability, potential fitment issues, and maintenance requirements. Ultimately, the decision to purchase this heat shield depends on the vehicle owner's priorities, budget, and specific needs.
Recommendation:If the vehicle owner is experiencing issues with undercarriage components being damaged due to exhaust heat or is concerned about fuel efficiency, investing in a Nissan 20850-4BB0A heat shield could be a worthwhile investment. It's essential to ensure proper fitment and consider purchasing from a reliable auto parts supplier to minimize potential issues. If cost is a concern, the vehicle owner may want to explore alternative heat shield options or consider repairing the damaged components instead.
Details:
All parts must be in their original condition, not used or tried, and cannot disassembled damaged by incorrect installation. APO orders cannot be shipped ground. Shipping is available to the 48 continental USA only. Shipping carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer.
specifications heatnshield:
- brand: Nissan
- mpn: 20850-4bb0a
- part type: Heat Shield
- genuine oem: Yes
- warranty: 1 Year
- fitment type: Direct Replacement
- year: 2017 2018 2019 2020 2021 2022
- parts included: Only Part Reference 4 On The Diagram Is Included
- replaces part number: 20850-4ba0a
general heatnshield:
- category: Auto Parts > Car Truck Accessories > Exhaust Emission Systems > Heat Shields, Wraps Sleeves
payments heatnshield:
- wallet: apple-pay
- other
- credit card: visa
seller heatnshield:
- # reviews: 77208
- rating: 97.9%
- city: phoenix, arizona
returns heatnshield:
- paid by: buyer
- time: 30 days
- policy: returns accepted
shipping heatnshield:
- transit: 4-8 days
- service: standard, expedited, overnight
- class: standard, expedited, one-day
- type: fixed
offer heatnshield:
- availability: in stock
- sold #: 24
- in stock #: 5
- started: april 4, 2025
- options: ship-to-home
- prices: $94.38–$147.93
- item condition: New
Recently Viewed:
- 74758-JA00: HEAT SHIELD EXHAUST, Nissan
- 16590-9N02A: HEAT SHIELD COVER EXHAUST MANIFOLD, Nissan
- 20853-1W200: SHIELD CONVERTER HEAD, Nissan
- 20853-0W002: HEAT SHIELD CONVERTER, Nissan
- 74758-6RR0A: HEAT SHIELD COVER, Nissan
- 16590-WF705: COVER, Nissan
- 74753-6RR1A: HEAT SHIELD COVER EXHAUST PLATE, Nissan
- 20853-9S201: SHIELD DRIVER, Nissan
- 20853-4L720: HEAT SHIELD CONVERTER, Nissan
- 16590-3TA0C: COVER EXHAUST MANIFOLD BAG, Nissan
- 74772-ET000: HEAT SHIELD EXHAUST, Nissan


















