• ‌1. 【Extreme Temperature Performance】‌ Engineered with Silicone 90 Shore A (VMQ) material certified to ASTM D2000 standards, withstands continuous -76°F to 446°F (-60°C to 230°C) with 600°F (315°C) peak resistance. Fluorosilicone-enhanced formula reduces friction coefficient by 38% for torque converters and transmission systems.
• 2. 【CAT OEM Precision Fit】‌ Direct replacement for CAT 4C-8253 kit containing 149pcs/32 sizes. Covers 98% of Caterpillar equipment sealing needs including PC210/320D excavators, featuring ±0.003" tolerance control for leak-free installation.
• ‌3. 【Drivetrain-Specific Design】‌ Yellow-coded rings prevent misinstallation in low-pressure/high-heat environments. SAE J2643 tested for differentials, PTO shafts, and wet clutch systems. Compatible with ATF/MIL-PRF-2105E fluids.
• ‌4. 【Military-Grade Organization】‌ IP54-rated case with 32 shockproof compartments passes MIL-STD-810G vibration tests. Features 300lbs crush resistance and tool box rail-mount design for jobsite durability.
• ‌5. 【Failure Protection Promise】‌ Includes free thermal degradation analysis service (return shipping kit provided). Backed by 2-year transmission fluid contamination insurance (up to $20,000 coverage).

• Package Dimensions ‏ : ‎ 15 x 12 x 2.8 inches; 2.6 Pounds
• Date First Available ‏ : ‎ March 14, 2025
• Manufacturer ‏ : ‎ LEXIN
• Country of Origin ‏ : ‎ China