Terrafirma - Plastic Raised Air Intake - RH

Terrafirma - Plastic Raised Air Intake - RH

Possibly the most critical yet overlooked modification for serious off-roaders. While a snorkel may seem essential, a raised transmission breather kit deserves equal—if not greater—priority. Deep water crossings requiring a snorkel are far less common than situations where 18" of water can cause catastrophic damage to differentials and transmission components. All gearbox casings and fluid reservoirs expand and contract as they heat and cool during operation, necessitating proper breather venting. When a hot axle is suddenly submerged in cold water, it contracts rapidly and draws in air. If submerged, the axle casing will likely suck water past its seals—which are designed to contain oil, not repel water. This contamination quickly degrades seals, bearings, and gears, leading to premature failure. The deeper your vehicle wades, the more components benefit from extended breathers. Terrafirma provides comprehensive kits for front and rear axles, gearbox, transfer box, and timing case, with all breathers routed to the vehicle's highest point via the raised air intake. While raised transmission breathers significantly reduce water intrusion risk, they do not guarantee complete protection during extreme deep-water use and should not be considered a substitute for full waterproofing modifications. Note: A raised air intake alone does not make your vehicle amphibious; extensive additional work is required to achieve comprehensive water protection for sustained wading operations.

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Fits Defender 90 | Defender 110 | Defender 130 - 1994-2016

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