Camshafts & Valvetrain Parts

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Valve Spring A9360530420 - Detroit Diesel
positive OEM
Part# A9360530420
Part# A9360530420
shipping
Special Price $10.19 Regular Price $12.83
In Stock
Plug A0019984250 - Detroit Diesel
positive OEM
Part# A0019984250
Part# A0019984250
shipping
Special Price $5.03 Regular Price $6.87
In Stock
Collet - Valve Spring Retainer 1440834PE - Paccar Engine
positive OEM
Part# 1440834PE
Part# 1440834PE
shipping
Special Price $0.46 Regular Price $0.94
In Stock
Inlet Valve Push Rod 2014634PE - Paccar Engine
positive OEM
Part# 2014634PE
Part# 2014634PE
shipping
Special Price $24.64 Regular Price $29.67
In Stock
Camshaft Dwell Assembly Series 60 12L 14L Ddeciv R23524912 - Detroit Diesel
positive OEM
Part# R23524912
Part# R23524912
shipping
$866.29
In Stock
Rocker Cover 23525973 - Detroit Diesel
positive OEM
Part# 23525973
Part# 23525973
shipping
Special Price $232.83 Regular Price $250.26
In Stock
Valve Stem Guide 4026657 - Cummins
positive OEM
Part# 4026657
Part# 4026657
shipping
$34.92
In Stock
Push Rod 3964715 - Cummins
positive OEM
Part# 3964715
Part# 3964715
shipping
$21.95
In Stock
Exhaust Valve Insert 226-5561 - CAT
positive OEM
CAT
Part# 226-5561
Part# 226-5561
shipping Ships up to 72h
$40.03
Available
Inlet Valve Insert 224-3983 - CAT
positive OEM
CAT
Part# 224-3983
Part# 224-3983
shipping Ships up to 72h
$27.01
Available
Camshaft Bushing Kit  3801106 - Cummins
positive OEM
Part# 3801106
Part# 3801106
shipping Ships up to 72h
$266.59
Available
Rocker Lever Shaft 3966658 - Cummins
positive OEM
Part# 3966658
Part# 3966658
shipping Ships up to 72h
$18.33
Available
Valve Tappet 3965966 - Cummins
positive OEM
Part# 3965966
Part# 3965966
shipping Ships up to 72h
$109.60
Available
Rocker Lever Support 3964908 - Cummins
positive OEM
Part# 3964908
Part# 3964908
shipping Ships up to 72h
$25.03
Available
Rocker Lever Adjusting Screw 3964720 - Cummins
positive OEM
Part# 3964720
Part# 3964720
shipping Ships up to 72h
$12.93
Available
Camshaft Gear 3955152 - Cummins
positive OEM
Part# 3955152
Part# 3955152
shipping Ships up to 72h
$227.77
Available
Valve Crosshead 3945236 - Cummins
positive OEM
Part# 3945236
Part# 3945236
shipping Ships up to 72h
$30.99
Available
Valve Spring Retainer 3944452 - Cummins
positive OEM
Part# 3944452
Part# 3944452
shipping Ships up to 72h
$7.74
Available
Valve Spring Retainer 3943198 - Cummins
positive OEM
Part# 3943198
Part# 3943198
shipping Ships up to 72h
$6.63
Available
Camshaft Gear 3942755 - Cummins
positive OEM
Part# 3942755
Part# 3942755
shipping Ships up to 72h
$907.33
Available
Rocker Lever 3942749 - Cummins
positive OEM
Part# 3942749
Part# 3942749
shipping Ships up to 72h
$101.99
Available
Camshaft 3942567 - Cummins
positive OEM
Part# 3942567
Part# 3942567
shipping Ships up to 72h
$615.21
Available
Valve Tappet 3942565 - Cummins
positive OEM
Part# 3942565
Part# 3942565
shipping Ships up to 72h
$23.13
Available
Rocker Lever Support 3941140 - Cummins
positive OEM
Part# 3941140
Part# 3941140
shipping Ships up to 72h
$25.36
Available
Valve Collet 3940123 - Cummins
positive OEM
Part# 3940123
Part# 3940123
shipping Ships up to 72h
$2.86
Available
Camshaft 3938163 - Cummins
positive OEM
Part# 3938163
Part# 3938163
shipping Ships up to 72h
$759.74
Available
Rocker Lever 3937220 - Cummins
positive OEM
Part# 3937220
Part# 3937220
shipping Ships up to 72h
$95.33
Available
Camshaft Thrust Support 3927155 - Cummins
positive OEM
Part# 3927155
Part# 3927155
shipping Ships up to 72h
$12.71
Available
Intake Valve Kit 3802924 - Cummins
positive OEM
Part# 3802924
Part# 3802924
shipping Ships up to 72h
$42.76
Available
Crankshaft Thrust Bearing 3691445 - Cummins
positive OEM
Part# 3691445
Part# 3691445
shipping Ships up to 72h
$36.92
Available
Rocker Lever Shaft 3681423 - Cummins
positive OEM
Part# 3681423
Part# 3681423
shipping Ships up to 72h
$424.06
Available
Camshaft 3680778 - Cummins
positive OEM
Part# 3680778
Part# 3680778
shipping Ships up to 72h
$2,042.22
Available
Rocker Lever Adjusting Screw 3680058 - Cummins
positive OEM
Part# 3680058
Part# 3680058
shipping Ships up to 72h
$138.97
Available
Camshaft Thrust Support 3679929 - Cummins
positive OEM
Part# 3679929
Part# 3679929
shipping Ships up to 72h
$80.91
Available
Valve Insert 3679537 - Cummins
positive OEM
Part# 3679537
Part# 3679537
shipping Ships up to 72h
$30.53
Available
Camshaft 3100363 - Cummins
positive OEM
Part# 3100363
Part# 3100363
shipping Ships up to 72h
$2,118.09
Available

Keeping Engines in Tune with Camshafts and Valvetrain Parts

A truck’s engine depends on a carefully balanced system of camshafts and valvetrain parts to maintain precise timing and reliable power delivery. Components like push rods, valve guides, and camshaft gears ensure that the combustion process operates smoothly under a wide range of driving conditions. Replacing worn parts with quality components helps protect engine efficiency and prevents costly breakdowns over time.

Managing Engine Timing with Reliable Valvetrain Components

The valvetrain manages the movement of air and fuel into the engine and exhaust gases out. Push rods transfer motion from the camshaft to the valves, while springs ensure that valves close properly after each combustion cycle. Valve stem guides and exhaust valve inserts maintain the correct positioning of valves, helping to reduce wear and ensure a tight seal. Camshaft gears synchronize timing across moving parts, keeping the entire system working in harmony. Every piece, from tappets to plugs, plays a role in delivering dependable engine performance.

Designed to Handle High-Speed Movement and Stress

Truck engines operate under extreme heat and pressure, demanding strong, reliable parts to support ongoing performance. High-quality valvetrain components are manufactured from heat-treated metals and durable alloys to resist fatigue and wear. Choosing the right parts ensures consistent valve operation, protects against timing errors, and supports optimal combustion efficiency across thousands of miles.

Maintaining Valve System Performance Over the Long Haul

Many camshaft and valvetrain components are designed for straightforward installation, matching OEM standards for fit and function. Regular maintenance of springs, push rods, and valve guides can help prevent serious engine issues, extending the service life of vital internal systems. Upgrading worn parts during scheduled maintenance ensures that the engine continues to operate at peak capability.

Big Rig World offers a wide range of camshafts and valvetrain parts, including:

  • Push rods
  • Springs
  • Covers
  • Valve guides
  • Tappets
  • Camshaft gears
  • Other related components

All built to deliver precision timing and dependable valve control. Choose quality parts to maintain engine efficiency and protect vital systems during every haul.