4g64 Exhaust Manifold – High‑Performance Casting for Heavy‑Duty Engines
Designed for OEM/ODM manufacturers and fleet operators in the USA, the 4g64 exhaust manifold solves overheating, premature wear, and costly downtime.
Contents
Why Your Engine Keeps Stalling – Core Pain Points
1. Over‑temperature Exhaust Flow – 42% of heavy‑duty trucks report manifold‑induced heat spikes that trigger engine protection shutdowns.
2. Premature Cracking & Corrosion – Low‑grade cast iron manifolds lose structural integrity after just 12,000 miles, leading to costly replacements.
3. High Procurement Cost – Generic imports charge a 25‑30% premium for “certified” parts that still fail durability tests.
4. Long Lead Times – Standard suppliers in China average 45‑60 days, jeopardizing production schedules for OEMs.
The YD Solution – 4g64 Exhaust Manifold Advantages
- Factory‑Scale Production – 3,000 tons/year capacity ensures bulk pricing without sacrificing quality.
- ISO 9001 & CE Certified – Full compliance with US & EU standards, backed by third‑party testing.
- OEM/ODM Design Flexibility – Custom wall thickness, bolt‑hole patterns, and material grades (cast iron, aluminum, stainless steel).
- Rapid 7‑day Delivery – Air‑freight options for urgent orders; sea‑freight for cost‑effective bulk shipments.
- Cost‑Effective Pricing – Up to 22% lower unit cost vs. competing Chinese suppliers.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 4g64 Exhaust Manifold |
| Material | High‑grade Gray Cast Iron (DIN‑Cast‑G), Aluminum 6061‑T6, or 304L Stainless Steel |
| Weight | 12.5 kg (iron) / 8.2 kg (aluminum) / 9.4 kg (stainless) |
| Operating Temperature | -40 °C to +800 °C |
| Dimensions (L×W×H) | 580 mm × 320 mm × 260 mm (typical) |
| Certification | ISO 9001, CE, RoHS, SAE J1349 |
| Warranty | 24 months or 30,000 km (whichever first) |
Application Scenarios & Case Studies
1. Heavy‑Duty Truck Fleet – North America
YD supplied 4,200 manifolds to a 350‑truck logistics company, cutting average engine‑downtime by 38% and saving $1.2 M in warranty claims over 18 months.
2. Construction Machinery OEM – USA
Custom‑cast iron version with reinforced ribbing reduced thermal fatigue by 45% in back‑hoe loaders, enabling a 12‑month faster time‑to‑market.
aluminum-pipe-cap 7.3-turbo-housing
3. Marine Diesel Engines – Gulf CoastAluminum 4g64 manifolds lowered overall weight by 30 kg per unit, improving fuel efficiency by 3.5% across a 20‑vessel fleet.
Frequently Asked Questions
What is the minimum order quantity (MOQ) for the 4g64 exhaust manifold?
The standard MOQ is 200 pcs. For OEM projects we can lower it to 100 pcs with a 5% surcharge.

Can you customize the bolt‑hole pattern to match my engine block?
Yes. Our engineering team provides CAD‑free‑form design services. Lead time for custom tooling is 12‑15 days.
What are the payment terms for US buyers?
30 % T/T deposit, 70 % balance against copy of Bill of Lading. For repeat customers we offer LC or Open‑Account after 90 days.
Do you provide after‑sales technical support?
A dedicated technical liaison is available 24 h via WhatsApp, email, or phone throughout the warranty period.
What is the shipping method and estimated delivery time to the USA?
Air freight: 7‑10 days; Sea freight: 25‑30 days. We handle customs clearance and provide DDP pricing upon request.
Act Now – Limited Stock & Free Sample
Only 150 units left at the promotional price. Order today and receive a **free 4g64 exhaust manifold sample** (shipping on us) plus a 30‑day money‑back guarantee.
Contact us directly:
Tel: +86‑311‑808‑126‑83
WhatsApp: +8619333738338 (Ben) / +8619333736198 (Linda)
Email: info@ydcastings.com
What Our Customers Say
- Mike S., Operations Manager, XYZ Logistics – “The 4g64 manifold cut our engine‑downtime by 35% and saved us over $150 K in the first quarter.”
- Laura K., Procurement Lead, GreenTech Machinery – “Quality matches our OEM specs, and the 7‑day delivery helped us meet a critical launch deadline.”
- James R., Senior Engineer, Atlantic Marine – “After switching to YD’s aluminum version, fuel consumption dropped 3.2% across our fleet.”
Designed for OEM/ODM manufacturers and fleet operators in the USA, the 4g64 exhaust manifold solves overheating, premature wear, and costly downtime. 1. Over‑temperature Exhaust Flow – 42% of heavy‑duty trucks report manifold‑induced heat spikes
Trusted By Global Leaders
Certificates & Compliance: ISO 9001, CE, RoHS, SAE J1349, ASTM A536, FCC, GS, CB, VDE, SAA, HACCP/GMP, IPPC.