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197-6999 | Caterpillar 3500 Valve Rotator

Pricing: $5.06

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When it comes to Valve Rotators, why risk your engine?

Don’t let a small part turn into a major repair. We wouldn't risk putting sub-par parts into our engines, so why should you?

HHP only sells Valve Rotators that are manufactured in a state of the art facility using top of the line machining and measuring equipment to ensure each part is manufactured to OEM specifications. Combine this with up to 50% off OEM prices, an industry leading 1-year warranty and technical expertise from HHP’s certified staff, and you’ve got a quality Valve Rotator that will keep you running for another million miles.

Need a little extra proof? Let's talk shop.

  • Maximize your engine with a brand new Valve Rotator built to OEM specifications.

  • You don't have to overpay when you can get equal or better quality compared to the OE at a much lower price.

  • Also, you'll get a quality made Valve Rotator because it comes from an ISO 9001 certified facility.


  • (1) Valve Rotator


1-Year, Unlimited Mileage, Parts and Labor Warranty

OEM Applications:

  • 7N-7964
  • 4P-2521
  • 1333814
  • 7N7964
  • 4P2521
  • 133-3814
  • 7N-7964
  • 4P-2521
  • 197-6999
  • 1976999
  • 1333814
  • CAT1976999

Technical Data

3500 Engine Specifications:
Year: -
Liter: 34.5
CID: 2105
Cyl: V 8
Bore/Stroke: 6.6929-6.6949"
Compression Ratio: -
Firing Order: -
Comments: Diesel 2,105 CID 34.5L

Tune-Up Specifications:
Intake Valve Lash: .015" Cold
Exhaust Valve Lash: .030" Cold

Valve Specifications:
Stem Diameter: Intake- .3714-.3720" Exhaust-.3714-.3720"
Total Length: Intake- 8.604-8.640" Exhaust-8.604-8.640"
Head Diameter: Intake- 2.199-2.211"Exhaust-2.199-2.211"
Angle: Intake- 29-29.5°Exhaust- 29-29.5°
Recession: Intake--.008-+.008" Exhaust--.008-+.008"

Valve Guide Specifications:
Guide Height: Intake- .945-1.103" Exhaust- .945-1.103"

Valve Seat Specifications:
Seat Angle: Intake- 29.75-30.75°Exhaust- 29.75-30.75°
Seat Outside Diameter: Intake- 2.3663-2.3675" Exhaust- 2.3663-2.3675"
Seat Inside Diameter: Intake- 2.113-2.229" Exhaust- 2.113-2.229"
Seat Insert Bore Diameter: Intake- 2.3612-2.3632" Exhaust-2.3612-2.3632"
Seat Insert Bore Depth: Intake- 545-.557" Exhaust- .545-.557"


  • P203503
  • P203503
  • HHP
  • New

Shipping Information

  • Item Requires Shipping
  • 1.0 lbs.
  • W6.0000” x H0.0000” x L5.0000”

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