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1991-1998 5.9L Cummins 12V 6BT X-Series Piston Kit

Industrial Injection X-Series Piston Kits are built for 1991-1998 5.9L Cummins 12V 6BT engine rebuilds, towing applications, and performance diesel builds. Each kit is designed as a drop-in replacement matched piston set and is available in multiple bore sizes to match your engine build.

Part # 248120
Pistons
9 Variants Available
Stock Replacement (Standard)
Part # 248120 · Pistons
Industrial Injection X-Series Piston Kits are built for 1991-1998 5.9L Cummins 12V 6BT engine rebuilds, towing applications, and performance diesel builds. Each kit is designed as a drop-in replacement matched piston set and is available in multiple bore sizes to match your engine build.
$1,199.95
MSRP
Starting from $1,199.95
248120
1 / 12
Industrial Injection X Series diesel engine piston set with six coated performance pistons for Cummins 12V Pistons
1991-1998 5.9L Cummins 12V 6BT X-Series Piston Kit - Image 2
1991-1998 5.9L Cummins 12V 6BT X-Series Piston Kit - Image 3
1991-1998 5.9L Cummins 12V 6BT X-Series Piston Kit - Image 4
1991-1998 5.9L Cummins 12V 6BT X-Series Piston Kit - Image 5
1991-1998 5.9L Cummins 12V 6BT X-Series Piston Kit - Image 6
Industrial Injection X Series coated and chamfered diesel engine piston set with six performance pistons for Cummins, Duramax, and Power Stroke engine builds
1991-1998 5.9L Cummins 12V 6BT X-Series Piston Kit - Image 8
1991-1998 5.9L Cummins 12V 6BT X-Series Piston Kit - Image 9
1991-1998 5.9L Cummins 12V 6BT X-Series Piston Kit - Image 10
1991-1998 5.9L Cummins 12V 6BT X-Series Piston Kit - Image 11
Industrial Injection X Series Premium PVD piston ring set with complete diesel engine ring pack for Cummins, Duramax, and Power Stroke performance builds
Available Options — 9 Variants
Stock Replacement (Standard) · 3 variants
$1,199.95
Industrial Injection X-Series Piston Kits are built for 1991-1998 5.9L Cummins 12V 6BT engine rebuilds, towing applications, and performance diesel builds. Each kit is designed as a drop-in replacement matched piston set and is available in multiple bore sizes to match your engine build.
Part # Piston Size
248120 Stock Replacement (Standard) View
248121 Stock Replacement (.020) View
248122 Stock Replacement (.040) View
Coated & Chamfered (Standard) · 3 variants
$1,499.95
Part # Piston Size
248125 Coated & Chamfered (Standard) View
248126 Coated & Chamfered (.020) View
248127 Coated & Chamfered (.040) View
Fly Cut Coated & Chamfered (Standard) · 3 variants
$1,599.95
Part # Piston Size
248130 Fly Cut Coated & Chamfered (Standard) View
248131 Fly Cut Coated & Chamfered (.020) View
248132 Fly Cut Coated & Chamfered (.040) View
View Product
Why Buy
1
Fits 1991-1998 5.9L Cummins 12V 6BT engines
2
Drop-in replacement matched piston set
3
Complete with rings, wrist pins, and clips
4
Available in Standard, .020", and .040" sizes
5
Low Friction Anti-Scuff Skirt Coating
6
Ideal for OEM-style rebuilds, towing applications, and reliable performance upgrades
7
Chamfered piston tops to help reduce cylinder wall scuffing
8
Thermal barrier coating on piston tops
9
.015" reduced compression height
10
Designed for increased cylinder pressure, elevated boost, heavy towing, and performance diesel builds
11
.100" fly cut valve reliefs for additional piston-to-valve clearance
12
Ideal for high-performance builds using higher-lift camshafts or requiring added valve clearance
Specifications
UPC
00840256913354
Weight
10 lb
Piston Size
Stock Replacement (Standard)
Product Type
Pistons
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