You are here: Home / Products / Automotive Exhaust Manifold / Cast Iron High Temperature Resistant Automotive Exhaust Manifold
Automotive Exhaust Manifold60
Automotive Exhaust Manifold60 Automotive Exhaust Manifold60
Automotive Exhaust Manifold60 Automotive Exhaust Manifold60
Automotive Exhaust Manifold60 Automotive Exhaust Manifold60

loading

Cast Iron High Temperature Resistant Automotive Exhaust Manifold

Share to:
facebook sharing button
twitter sharing button
line sharing button
wechat sharing button
linkedin sharing button
pinterest sharing button
whatsapp sharing button
kakao sharing button
snapchat sharing button
telegram sharing button
sharethis sharing button
This heavy-duty cast iron exhaust manifold is designed for automotive engine exhaust systems, built to withstand extreme temperatures and harsh operating conditions. Featuring precision-cast runners for optimized gas flow, it reduces backpressure and improves engine performance. The durable black coating offers corrosion and heat resistance, ensuring long service life. Ideal for OEM replacements and aftermarket applications, it provides a reliable, leak-free fit for various engine models.
Availability:
Quantity:

Product Advantages

  • Extreme Heat Resistance: Constructed from high-grade cast iron, this manifold maintains structural integrity at temperatures up to 700°C, preventing warping, cracking, or deformation.

  • Optimized Flow Efficiency: Precision-engineered runners minimize turbulence and backpressure, allowing exhaust gases to exit the engine more efficiently, boosting horsepower and torque output.

  • Durable Corrosion Protection: The black heat-resistant coating guards against rust, oxidation, and exhaust gases, extending the manifold’s service life even in corrosive environments.

  • Precision Fit & Seal: CNC-machined mounting flanges ensure a tight, leak-free connection with the engine block and exhaust system, eliminating exhaust leaks that can reduce performance and increase emissions.

  • Cost-Effective Replacement: A reliable alternative to OEM parts, offering comparable quality and durability at a competitive price point, making it ideal for repair shops and fleet operators.

advantage.png

Key Features

  • High-Grade Cast Iron Construction: Made from premium cast iron with excellent thermal conductivity and structural strength, suitable for heavy-duty engine applications.

  • Precision-Cast Runner Design: Smooth internal surfaces reduce gas turbulence, improving exhaust flow efficiency and engine response.

  • Black Heat-Resistant Coating: Provides superior protection against high temperatures, corrosion, and discoloration, maintaining a clean appearance.

  • Reinforced Mounting Points: Thick, robust flanges and mounting holes prevent warping under thermal stress, ensuring long-term stability.

  • Leak-Proof Design: Compatible with standard exhaust gaskets to ensure a secure seal, preventing exhaust leaks that can cause engine damage or emissions issues.

  • CNC-Machined Holes: Precisely aligned mounting holes for easy installation, eliminating the need for modifications during fitment.

Applications

This exhaust manifold is widely used in various automotive and industrial applications, including:

  • Passenger Vehicles: Sedans, hatchbacks, and SUVs requiring reliable exhaust system components.

  • Light Trucks & Vans: Pickup trucks, delivery vans, and commercial vehicles operating under high load conditions.

  • Aftermarket Performance Upgrades: Enthusiast vehicles seeking improved engine efficiency and power output.

  • OEM Replacements: Direct-fit replacement for factory exhaust manifolds in a range of engine models.

  • Industrial Engines: Stationary engines, generators, and equipment requiring durable exhaust components.

Technical Parameters

All could be customized by clients' requirement

Parameter

Specification

Material

High-grade cast iron (HT250)

Surface Treatment

Black high-temperature anti-corrosion coating

Runner Configuration

Dual-side cast runners (engine-specific design)

Mounting Flange

Precision-machined cast iron

Maximum Operating Temperature

Up to 700°C (1292°F)

Pressure Rating

Up to 3.5 bar (50.7 psi)

Compatibility

Fits most 4-cylinder automotive engines (customizable)

Weight

4-7 kg (varies by engine model)

Finish

Matte black heat-resistant coating

Warranty

12 months against manufacturing defects

Quality Assurance

  • ISO 9001 Certified: Manufactured under strict quality control standards to ensure consistent performance and reliability.

  • Pressure & Leak Testing: Each manifold undergoes rigorous pressure testing to verify leak-free operation and structural integrity.

  • Thermal Cycling Testing: Simulated repeated heat cycles to test resistance to warping and cracking under extreme temperature changes.

  • Precision Machining: CNC-machined flanges and mounting holes ensure accurate alignment and compatibility with engine components.

  • 100% Visual Inspection: Every unit is inspected for casting defects, surface finish, and dimensional accuracy before shipment.

why choose us.png

FAQ

Q: What material is this exhaust manifold made of?

A: It is constructed from high-grade HT250 cast iron, known for its excellent heat resistance and structural strength in high-temperature exhaust environments.

Q: Will this manifold improve my engine’s performance?

A: Yes, the precision runner design reduces backpressure, allowing exhaust gases to flow more freely, which can improve engine efficiency, horsepower, and torque.

Q: Is this a direct replacement for my OEM manifold?

A: Yes, it is engineered to match the exact specifications of the original part, ensuring a precise fit with no modifications required.

Q: Does the black coating affect performance?

A: No, the black coating is purely for corrosion protection and heat resistance, and it does not impact exhaust flow or engine performance.

Q: What maintenance is required for this manifold?

A: Regular inspections for leaks, cracks, or rust are recommended, especially after high-mileage use. No routine maintenance is required beyond standard exhaust system checks.

Previous: 
Next: 
Tel/Wechat: +86-15553231983
Whatsapp: +8616658585017
E-mail: sehy@sehymachine.com
Add: 1st Floor, Building 4#, Xindao Street, Yazhou District, Sanya City, Hainan Province (Sanya Yazhou Town Creative Industry Park, Plot A23-4/2) (Centralized Office Area)

Quick Links

Products Classification

Contact Today

Contact Us
Copyright 2026 Hainan Sehy International Trading Co., Ltd. All Rights Reserved. | Sitemap | Privacy Policy