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1309630/1W1801 Valve Seat Inserts Durable For Caterpillar 3512 Engine

Valve Seat Inserts
November 27, 2025
Category Connection: Valve Seat Inserts
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Tags:
#body seat ring #engine seat ring #valve seat ring
Brief: We tested it—see the highlights and what to expect in real operation. This video provides a detailed walkthrough of the 1309630/1W1801 Valve Seat Inserts for the Caterpillar 3512 Engine. You'll see how these durable components perform under extreme conditions, learn about their advanced material technology, and discover their verified operational benefits in demanding industrial applications.
Related Product Features:
  • Precision-engineered for Caterpillar's 3512 heavy-duty engine platform with OEM-specified part numbers 1309630 (intake) and 1W1801 (exhaust).
  • Exhaust valve seat (1W1801) features a nickel-chromium-tungsten superalloy matrix that withstands sustained 1000°C exhaust gas temperatures.
  • Intake valve seat (1309630) utilizes a copper-beryllium iron composite for superior heat transfer and precision surface finishes.
  • Extended service life with exhaust seat demonstrating 60% greater wear resistance than conventional materials in 24/7 applications.
  • Enhanced thermal stability with intake seat providing 40% improved heat dissipation and consistent valve clearances during thermal cycling.
  • Precision sealing surfaces CNC-machined to 0.4μm Ra surface finish ensuring complete 360° valve contact and minimized gas leakage.
  • Verified operational benefits include 45-50% longer valve service intervals and 7-9% improved fuel efficiency through superior sealing.
  • Suitable for critical industrial applications including base-load power generation, marine propulsion, and offshore drilling operations.
FAQs:
  • What are the OEM part numbers for these valve seat inserts?
    The intake valve seat OEM part number is 1309630, and the exhaust valve seat OEM part number is 1W1801. These are precision-engineered replacements for Caterpillar 3512 engines.
  • What material technology makes these valve seats durable for extreme conditions?
    The exhaust valve seat (1W1801) uses a nickel-chromium-tungsten superalloy matrix that withstands sustained 1000°C temperatures, while the intake seat (1309630) features a copper-beryllium iron composite for superior heat transfer and machinability.
  • What performance advantages do these valve seats offer in industrial applications?
    They provide extended service life with 60% greater wear resistance, enhanced thermal stability with 40% improved heat dissipation, precision sealing surfaces for minimal gas leakage, and verified benefits including 45-50% longer service intervals and 7-9% improved fuel efficiency.
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