Camshafts & Valvetrain Parts

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Engine Excavator Camshaft 305-4758 - CAT
positive OEM
CAT
Part# 305-4758
Part# 305-4758
In Stock
shipping-move
$1,170.26
Spring,Compression 5581830 - Cummins
positive OEM
Part# 5581830
Part# 5581830
In Stock
shipping-move
Special Price $3.93 Regular Price $6.93
Valve Spring 5669734 - Cummins
positive OEM
Part# 5669734
Part# 5669734
In Stock
shipping-move
$10.62
Intake Tappet GNR 2330378PE - Paccar Engine
positive OEM
Part# 2330378PE
Part# 2330378PE
In Stock
shipping-move
Special Price $84.59 Regular Price $99.35
Valve Insert 3104445 - Cummins
positive OEM
Part# 3104445
Part# 3104445
In Stock
shipping-move
$32.41
Rocker Lever Adjusting Screw 4059377 - Cummins
positive OEM
Part# 4059377
Part# 4059377
In Stock
shipping-move
$31.57
Valve Spring 3679551 - Cummins
positive OEM
Part# 3679551
Part# 3679551
In Stock
shipping-move
Special Price $17.10 Regular Price $17.51
Valve Spring Retainer 3680884 - Cummins
positive OEM
Part# 3680884
Part# 3680884
In Stock
shipping-move
$8.99
Valve Collet 3680883 - Cummins
positive OEM
Part# 3680883
Part# 3680883
In Stock
shipping-move
Special Price $2.78 Regular Price $3.22
Camshaft Thrust Support 3679930 - Cummins
positive OEM
Part# 3679930
Part# 3679930
In Stock
shipping-move
$63.60
Valve Cover 3689760 - Cummins
positive OEM
Part# 3689760
Part# 3689760
In Stock
shipping-move
$477.11
Insert - Valve 5614733 - Cummins
positive OEM
Part# 5614733
Part# 5614733
In Stock
shipping-move
$35.03
Kit - Intake Valve 5693781 - Cummins
positive OEM
Part# 5693781
Part# 5693781
In Stock
shipping-move
$115.89
Valve Spring A9360530420 - Detroit Diesel
positive OEM
Part# A9360530420
Part# A9360530420
In Stock
shipping-move
Special Price $10.14 Regular Price $13.22
Valve Collet A9060530026 - Detroit Diesel
positive OEM
Part# A9060530026
Part# A9060530026
In Stock
shipping-move
Special Price $3.70 Regular Price $5.38
Plug A0019984250 - Detroit Diesel
positive OEM
Part# A0019984250
Part# A0019984250
In Stock
shipping-move
Special Price $5.00 Regular Price $7.31
Collet - Valve Spring Retainer 1440834PE - Paccar Engine
positive OEM
Part# 1440834PE
Part# 1440834PE
In Stock
shipping-move
Special Price $0.46 Regular Price $0.97
Valve Cover 2389659PE - Paccar Engine
positive OEM
Part# 2389659PE
Part# 2389659PE
In Stock
shipping-move
$169.69
Inlet Valve Push Rod 2014634PE - Paccar Engine
positive OEM
Part# 2014634PE
Part# 2014634PE
In Stock
shipping-move
Special Price $25.26 Regular Price $30.55
Camshaft Dwell Assembly Series 60 12L 14L Ddeciv R23524912 - Detroit Diesel
positive OEM
Part# R23524912
Part# R23524912
In Stock
shipping-move
$859.24
Sleeve Assy 23522271 - Detroit Diesel
positive OEM
Part# 23522271
Part# 23522271
In Stock
shipping-move
Special Price $17.47 Regular Price $22.33
Tappet - Exhaust Valve - 2330379PE - Paccar Engine
positive OEM
Part# 2330379PE
Part# 2330379PE
In Stock
shipping-move
Special Price $90.29 Regular Price $99.35
Camshaft Cover 4026587 - Cummins
positive OEM
Part# 4026587
Part# 4026587
In Stock
shipping-move
$26.95
Rocker Lever 5484231 - Cummins
positive OEM
Part# 5484231
Part# 5484231
In Stock
shipping-move
Special Price $154.74 Regular Price $165.29
Rocker Lever 5484229 - Cummins
positive OEM
Part# 5484229
Part# 5484229
In Stock
shipping-move
Special Price $136.14 Regular Price $155.41
Rocker Lever 5484228 - Cummins
positive OEM
Part# 5484228
Part# 5484228
In Stock
shipping-move
Special Price $136.14 Regular Price $155.41
Valve Stem Guide 4026657 - Cummins
positive OEM
Part# 4026657
Part# 4026657
In Stock
shipping-move
$37.73
Cam Bushing 3685690 - Cummins
positive OEM
Part# 3685690
Part# 3685690
In Stock
shipping-move
Special Price $20.65 Regular Price $23.60
Guide - Valve Crosshead 3413137 - Cummins
positive OEM
Part# 3413137
Part# 3413137
In Stock
shipping-move
Special Price $27.46 Regular Price $28.09
Camshaft 4298629 - Cummins
positive OEM
Part# 4298629
Part# 4298629
In Stock
shipping-move
$2,465.62
Rocker Lever Shaft 2882571 - Cummins
positive OEM
Part# 2882571
Part# 2882571
In Stock
shipping-move
$284.69
Rocker Lever Shaft 2882570 - Cummins
positive OEM
Part# 2882570
Part# 2882570
In Stock
shipping-move
$283.72
Valve Seal Housing 9J-3589 - CAT
positive OEM
CAT
Part# 9J-3589
Part# 9J-3589
shipping-move Ships in 1-3 days
$476.59
Idle Gear Assembly 436-1076 - CAT
positive OEM
CAT
Part# 436-1076
Part# 436-1076
shipping-move Ships in 1-3 days
$146.21
40mm Long Cam Follower 450-5367 - CAT
positive OEM
CAT
Part# 450-5367
Part# 450-5367
shipping-move Ships in 1-3 days
$151.54
Sprocket 7D-8354 - CAT
positive OEM
CAT
Part# 7D-8354
Part# 7D-8354
shipping-move Ships in 1-3 days
$2,363.79

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.