GKN Loebro 300439 CV Joint Boot Kit

OE-Quality CV Boot Kit

GKN Loebro 300439 is a premium OE-quality CV joint boot kit built for driveline and axle service. It uses a solid black rubber boot with the correct joint-side and shaft-side dimensions for a precise replacement, helping restore protection where torn or porous boots can lead to joint contamination and failure.

• Part number 300439 for direct catalog identification
• Rubber boot construction in black
• Solid boot design, not vented
• Joint end inside diameter: 3.622 in.
• Shaft end inside diameter: 0.944 in.
• Single-rib boot profile
• OE-style replacement from GKN Loebro

Fitment and Application

Compatible With vehicle applications that require the exact boot dimensions listed for GKN Loebro 300439. This CV joint boot kit is selected by joint fit and material match, which is critical when replacing a damaged boot on a driveshaft or axle assembly. For vehicle-specific service, verify the original boot style and dimensions before installation. Part number 300439 is also referenced as interchange 271826.

What It Helps Repair

• Torn CV boots that expose the joint to dirt and moisture
• Slipped boots that no longer seal correctly
• Porous rubber boots that allow grease loss over time
• Noise or vibration caused by contaminated CV joint components
• Preventive service on a worn driveline and axles assembly

Installation Notes

Match the replacement boot to the original joint design and material before installation. GKN notes that TPE-equipped driveshafts require a matching TPE replacement boot kit, so confirm the OE boot material on the vehicle before ordering. Clean the joint thoroughly, inspect for wear, and follow the correct clamping and fastening procedure during repair.

Quality Assurance

GKN Loebro supplies OE-quality driveline components and boot kits engineered for exact fit and proper material selection. The 300439 boot kit is designed to restore the protective seal needed for reliable CV joint service.