Truck Supply Parts
Caterpillar 3300 1W5321 Exhaust Valve Insert PAI 391935 (Pack6)
Cross Reference:
1w5321
5s7221
6n2851
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CROSS REFERENCE: 1W5321 5S7221 6N2851
APPLICATION: Caterpillar 3300/Multiple Use Application.
BRAND: PAI 391935
Caterpillar 3300 1W5321 Exhaust Valve Insert PAI 391935. truck components and heavy duty parts. Supports exhaust valve seating and heat transfer to the head.
All components are proudly manufactured in the U.S.A. by PAI Industries Inc., an ISO9001-certified company with over 50 years of experience in the heavy-duty truck parts industry. This part is built brand new with premium aftermarket quality and includes a 2-year unlimited mileage warranty. Trusted American manufacturing for reliable diesel performance.
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