Cylinder Head Bolt 04151904 for Deutz BF4L913/BF6L913 – High-Tensile Replacement

Product Specifications

Compatible Models

Tired of Cylinder Head Bolt Failure on Deutz BF4L913/BF6L913 Engines?

Every unscheduled shutdown of a Deutz-powered machine costs operators hundreds to thousands in lost productivity — especially when the root cause is a failed cylinder head bolt. Counterfeit or low-grade bolts crack under combustion pressure, leading to head gasket failure, coolant leaks, and catastrophic engine damage. OEM replacements take weeks to arrive, while local suppliers often lack traceable material specs or batch testing records.

OEM-Equivalent Quality, Ready to Ship

These high-tensile cylinder head bolts meet ISO 898-1 grade 10.9 specifications and are manufactured in ISO 9001-certified facilities used by Tier-1 Deutz subcontractors. Each batch undergoes tensile strength verification (≥1000 MPa) and hardness testing (32–38 HRC) before shipment. We’ve supplied over 17,000 units to repair centers across Southeast Asia and the Middle East since 2022 — all for Deutz BF4L913 and BF6L913 engine rebuilds where torque consistency and thermal stability are non-negotiable.

Where This Part Works

This bolt is routinely installed in Deutz-powered equipment operating in high-vibration, high-temperature environments: quarry loaders, municipal waste compactors, marine auxiliary generators, and agricultural tractors. Under full-load conditions, cylinder head bolts endure cyclic stress exceeding 60 bar combustion pressure and thermal gradients up to 250°C. Using a non-compliant bolt risks thread stripping, clamping force loss, and head warpage — making precise material selection critical for reliability. Deutz cylinder head bolt integrity directly determines engine overhaul interval and long-term oil consumption stability.

Engineering Details That Matter

Grade 10.9 alloy steel ensures yield strength ≥900 MPa — essential to maintain clamping force during repeated thermal expansion cycles. The rolled thread process increases fatigue resistance by 20% compared to cut threads, extending service life under dynamic loads. Zinc-nickel electroplating provides 720-hour salt-spray corrosion resistance (ASTM B117), preventing seizing during disassembly. Dimensional tolerances are held to ±0.05 mm on shank diameter and ±0.1° on thread angle — guaranteeing full interchangeability with original Deutz 04151904 assemblies without re-tapping or shimming.

The Real Cost of Wrong Parts

A $3.50 counterfeit bolt may save pennies upfront — but causes an average $2,800 in downtime, labor, and gasket replacement within 3 months. Industry data shows non-compliant cylinder head bolts contribute to 34% of premature Deutz engine failures in rental fleets. OEM-equivalent parts like this one reduce total cost of ownership (TCO) by eliminating repeat repairs, preserving cylinder head integrity, and supporting documented maintenance compliance. This BF6L913 cylinder head bolt is tested to DEUTZ’s internal specification D 17007-2 for torque retention after 500 thermal cycles — a benchmark most aftermarket suppliers don’t publish or validate.

Why Customers Trust XUNPO

Packaging & Shipping

• Individually blister-packed with VCI film and zinc-nickel coated surface protection
• Inner EPE foam insert + rigid kraft box; outer 5-layer corrugated carton rated for 25 kg
• In-stock items ship within 2–5 working days from Guangzhou warehouse
• Flexible logistics: DHL/FedEx/UPS express, air freight, or sea freight options available
• MOQ is 1 piece — ideal for urgent field repairs or validation before bulk orders

Get Your Cylinder Head Bolts Now

Your Deutz engine shouldn’t wait weeks for a single bolt. Send us your machine model (e.g., BF4L913), required quantity, and destination — we’ll email a competitive quote within 24 hours. First-time buyers can request a sample set for physical verification before placing volume orders. Every hour your machine sits idle is revenue lost; act today to restore uptime.

Frequently Asked Questions