CAT 3408 Engine Assorted Large O-Ring Seals Kit For CAT 3408 V8 Diesel Engine Overhaul

• Brand: CAT
• Fit Model: CAT 3408 V8 Heavy-Duty Diesel Engine
• Product Name: Large Size O-Ring Seal Assortment Kit
• Color & Quantity Breakdown:
  1. Black O-rings: 9 pcs
  2. Red Silicone O-rings: 8 pcs
  3. Purple Fluorosilicone O-rings: 8 pcs
  4. Special-shaped black large sealing rings: 8 pcs
• Material: FKM Fluororubber / Silicone Rubber
• Application Scenarios: Water pump housing, oil cooler, fuel manifold, cylinder head auxiliary passages, end cover sealing for CAT 3408 marine engine, generator set and industrial power unit

1. Different color materials correspond to different working environments: fluorine rubber resists diesel and engine oil, red silicone withstands high coolant temperature, long service life
2. Large inner diameter design matches 3408 engine large-diameter pipeline and housing sealing positions, solve external coolant leakage and hydraulic oil seepage issues
3. Good elasticity, compression resistance and aging resistance, not easy to harden or break under continuous high load operation
4. Supporting spare parts for 3408 full upper overhaul gasket set, complete the whole top end sealing replacement together

These multi-color large O-rings are applied to the peripheral auxiliary components of CAT 3408 V8 engine, responsible for sealing the cooling water circuit, engine oil circuit and fuel system large connectors and end caps. They effectively prevent liquid leakage, pressure drop and air ingress inside the system, ensure stable engine operating pressure and avoid secondary component damage caused by fluid loss. They are essential consumables for full top overhaul and auxiliary pump maintenance.

We supply parts for Kubota, Cumm ins, CAT, Perkins, Yanmar, Isuzu, Komatsu, Mitsubishi, Hino, Nissan, Vo lvo, Deutz, Doosan, Daewoo, John Dee re, Scania, Hyundai, JCB etc.
Shipping: Sea freight, air freight and international express are all available. Goods will be arranged for shipment promptly after payment confirmation.
Tax Notice: All import duties and local destination taxes shall be borne by the buyer. Please verify local customs regulations in advance.

1. What is the difference between red, purple and black O-rings?
   Purple FKM: resistant to fuel and engine oil; Red silicone: high temperature resistance for cooling system; Black NBR/FKM: general oil and gas sealing.
2. Are these included in the full 3408 gasket kit?
   Yes, this batch of large O-rings is the split display of the complete upper overhaul gasket set.
3. Can these be used for other CAT engines?
   Specially sized for CAT 3408 V8 engine, not universal for 3406, 3412 series engines.