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Listing Description - HB-PACCAR-MX-13 Head Bolt Kit (33 Pcs) HEAVY DUTY DIESEL PARTS STORE
Complete 33-Piece Cylinder Head & Rocker Arm Bolt Master Kit | SKU: HB-PACCAR-MX-13
Uncompromised Manufacturing Quality & Engineering
- Grade 12.9 High-Tensile Forged Steel: Manufactured from premium Grade 12.9 heat-treated alloy steel, engineered to endure intense combustion pressures, extreme thermal cycling, and heavy commercial loads without stretching or snapping.
- Complete 33-Piece Master Set: Includes 27 long main fasteners and 6 short auxiliary bolts for a complete, hassle-free cylinder head and rocker assembly overhaul in one package.
- 100% Torque-to-Yield (TTY) OE Spec Calibration: Precision-manufactured to match original factory stretch limits and tensile properties, ensuring uniform deck clamping force across all cylinders.
- Anti-Corrosion Surface Finish: Protective black oxide and anti-galling coating prevents rust, thread binding, and corrosion under severe diesel operating environments.
- Strict Quality Inspection: 100% thread gauge verified and hardness tested to eliminate defective hardware prior to shipping.
Precise Fitment & Vehicle Application
This 33-piece master cylinder head bolt kit is a direct OE replacement for PACCAR MX-13 12.9L Turbocharged Diesel Engines across EPA10, EPA13, EPA17, and newer emissions platforms.
Truck Brand Compatible Truck Models Engine Specification Emissions Coverage Kenworth Trucks T680, T880, W990, T800, T660, C500 PACCAR MX-13 (12.9L L6 Heavy Duty Diesel) 2010 - 2024+ (EPA10 / EPA13 / EPA17) Peterbilt Trucks Model 579, Model 567, Model 389, Model 386, Model 388, Model 367, Model 365 PACCAR MX-13 (12.9L L6 Heavy Duty Diesel) 2010 - 2024+ (EPA10 / EPA13 / EPA17) Direct OEM Part Number Cross Reference Reference Type Interchangeable / Replaced OEM Part Numbers PACCAR OEM Numbers 1903661, 1852811, 1852812, 2104523, 2153544, 1852811PE, 1852812PE, 1903661PE, 2104523PE, 2153544PE OEM Kit References 1903661K, 1852811K, 1852812K, 2104523K, 2153544K, MX13-HBK, PACCAR-HB-33 Aftermarket Interchange HB-PACCAR-MX-13, 1903661-SET, 1852811-KIT, M-1903661, P2153544, 33-MX13-HB IMPORTANT FLEET REPAIR NOTE:
PACCAR MX-13 cylinder head bolts are Torque-To-Yield (TTY) single-use expansion bolts. Reusing old head bolts leads to improper clamping tension and head gasket failure. Always replace the complete 33-piece set during any cylinder head servicing. Fast Local Shipping & Protective Commercial Packaging Logistics & Commercial Guarantee:
- Fast Shipping from Houston, TX, USA: In stock and fulfilled locally from our Texas distribution center for fast nationwide transit times.
- Same-Day / 1-Business Day Dispatch: Rapid order handling and hand-off to premium carriers (UPS / FedEx / USPS).
- Custom Protective Packaging: Packed securely in heavy-duty foam slots to prevent thread damage, scratches, or missing pieces during transit.
- Tracking Included: Complete end-to-end tracking provided immediately upon shipment.
Product Specifications Manufacturer SKU HB-PACCAR-MX-13 Fitment Type Direct OE Replacement Master Kit Total Piece Count 33 Pieces Complete Set (27 Long Bolts + 6 Short Bolts) Fastener Engineering Torque-To-Yield (TTY) Grade 12.9 Alloy Steel Engine Compatibility PACCAR MX-13 12.9L Turbocharged Diesel
