IPD - Caterpillar 3406B Enhanced Durability IPD Steel Piston Inframe Kit - KIF9314/62/CS

As an official stocking distributor for IPD, BPS Diesel delivers the premium Caterpillar 3406B Enhanced Durability IPD Steel Piston Inframe Kit (KIF9314/62/CS)—a high-performance upgrade engineered to convert your engine from a single-piece aluminum piston to a robust 2-piece articulated design with an IPDSteel® crown.

This kit maintains the original 14.5:1 compression ratio while delivering superior strength, heat resistance, and longevity in demanding off-highway and heavy-haul applications. Featuring crevice seal liners to prevent scuffing, precision-matched bearings, and full gasket coverage, it ensures smoother operation, reduced wear, and extended service life under extreme loads. No core charge required—invest in IPD's proven aftermarket upgrade for enhanced reliability and value in your 3406B engine.

Kit Includes:

• 1630930 – PISTON SKIRT (x 6)
• 1979314 – PISTON CROWN, IPDSTEEL (x 6)
• 2531752 – THRUST PLATE (x 2)
• 3178766 – MAIN BEARING, STD (DIESEL) (x 7)
• 406062NLS – GASKET SET, IN-FRAME 48 (x 1)
• 7E5665 – RETAINER, PISTON PIN (x 12)
• 8N1608 – PISTON PIN (x 6)
• 9Y9497G – CON ROD BRG STD GROOVED (x 6)
• 1979322CSWS – LINER WITH SEALS, CREVICE TYPE (x 6)
• 3400RS5 – RING SET (x 6)

Key Features:

• IPDSteel® Articulated Pistons (14.5:1 CR): 2-piece design with steel crown (1979314), skirt (1630930), pins (8N1608), and retainers (7E5665) for superior durability and thermal performance over original aluminum pistons.
• Crevice Seal Liners: 1979322CSWS with seals to prevent scuffing, ensuring optimal cylinder integrity and extended life in high-stress conditions.
• Main Bearings (STD): Seven bearings (3178766) for robust crankshaft support and reduced friction.
• Rod Bearings (STD Grooved): Six bearings (9Y9497G) engineered to minimize vibration and wear.
• Thrust Plates: Two plates (2531752) for enhanced axial stability and engine balance.
• Ring Set & In-Frame Gaskets: Complete 3400RS5 rings and 406062NLS upper gasket set for leak-free assembly and optimal compression.
• Comprehensive Inframe Overhaul: All matched components for a thorough bottom-end refresh without block removal.

Compatibility: Designed for Caterpillar 3406B engines (converts from OEM pistons 9Y4004 or 3780509)—ideal for off-highway and heavy-haul use. Verify engine specifications for exact fitment.

Cross References:

• OEM Piston Crown: 1979314
• OEM Piston Skirt: 1630930
• OEM Piston Pin: 8N1608
• OEM Piston Pin Retainer: 7E5665
• OEM Ring Set: 3400RS5
• OEM Liner: 1979322CSWS
• OEM Main Bearing: 3178766
• OEM Thrust Plate: 2531752
• OEM Rod Bearing: 9Y9497G
• OEM Upper Gasket Set: 406062NLS
• OEM Original Piston: 9Y4004
• OEM Original Piston: 3780509