Cylinder Head Bolts 04270815 for Deutz BF4M1011/2011 – 10-Piece OEM-Replacement Set

Product Specifications

Compatible Models

Tired of Cylinder Head Bolt Failure on Your DEUTZ BF4M1011 Engine?

Every unscheduled shutdown of a DEUTZ-powered excavator or generator set costs operators $1,200–$3,500 per day in lost productivity and labor. Counterfeit or low-grade cylinder head bolts crack under thermal cycling, leading to head gasket blowouts, coolant leaks, and catastrophic engine failure. OEM replacements take 3+ weeks to arrive — halting critical infrastructure projects across Africa, Southeast Asia, and the Middle East.

OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse

These Deutz cylinder head bolts meet exact OEM torque specs and thread geometry for BF4M1011/2011 engines. Built by ISO 9001-certified factories in China’s heavy machinery supply hub, each batch undergoes tensile strength verification and thread pitch inspection before shipment. With 10 years’ experience supplying Deutz 1011 bolts to repair centers in Nigeria, Poland, and Chile, we ensure compatibility during full engine rebuilds and field maintenance.

Where This Part Works

This bolt set is engineered for continuous-duty applications: quarry crushing plants in Turkey, municipal landfill compactors in Colombia, and marine auxiliary generators on port tugs in Singapore. Under repeated thermal expansion cycles (–20°C to +180°C) and peak cylinder pressures up to 140 bar, proper clamping force prevents combustion gas leakage and maintains compression integrity. Using non-compliant Deutz BF4M2011 head bolt sets risks warped cylinder heads and premature liner wear — especially in high-humidity or salt-air environments.

Engineering Details That Matter

Each bolt is cold-forged from SCM435 alloy steel and heat-treated to Rockwell C36–C40 hardness — matching OEM fatigue resistance. Thread root radius is precision-ground to reduce stress concentration by 22% versus generic fasteners. Surface finish is black oxide with oil sealant, providing 96-hour salt-spray resistance (ASTM B117). Tolerance on length and shank diameter is held to ±0.05 mm — ensuring correct preload distribution across all 10 mounting points. These specifications directly prevent uneven head loading, which causes localized gasket extrusion and coolant-oil mixing in Deutz 1011 engines.

The Real Cost of Wrong Parts

A $12 counterfeit bolt can trigger a $4,800 cylinder head replacement and 3 days of downtime on a rental excavator in South Africa. Low-grade Deutz 1011 bolts lack proper yield strength calibration — causing plastic deformation after just 500 operating hours. OEM-spec replacements like this 04270815 cylinder head bolt set deliver 12,000+ hour service life when torqued correctly. Total cost of ownership drops 63% over 5 years compared to budget alternatives, factoring in labor, diagnostics, and secondary damage. All XUNPO Deutz cylinder head bolts comply with ISO 898-1 and DEUTZ engine manual torque sequence requirements.

Why Customers Trust XUNPO

Packaging & Shipping

• Individually sealed in anti-corrosion blister packs, grouped into reinforced corrugated cardboard boxes with EPE foam padding
• In-stock items ship within 2–5 working days after order confirmation
• Flexible logistics: DHL/FedEx/UPS express (3–7 days), air freight (7–12 days), or sea freight (25–40 days)
• Real-time tracking number provided upon dispatch via email and WhatsApp
• MOQ is 1 set (10 pcs) — no minimum for urgent field maintenance needs

Get Your DEUTZ BF4M1011 Cylinder Head Bolts Now

Your excavator or power unit shouldn’t sit idle waiting for parts. Send us your machine model, current bolt condition, and required quantity — we’ll issue a competitive quote within 24 hours. First-time buyers may request a sample set for bench testing. All in-stock Deutz cylinder head bolts ship fast from Guangzhou, helping you resume operations without delay.

Frequently Asked Questions