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Oils, Fluids and Sealer› Oils, Fluids and Additives

Motul

Gear 300 75W90 Synthetic Gear Oil

Name: Gear 300 75W90 Synthetic Gear Oil
Brand: Motul
SKU: MOT105777

$541.44 $472.70 Save $68.74

SKU: MOT105777

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Overview

The Motul Gear 300 75W90 is a 100% synthetic ester-based gear oil designed to provide protection against friction and wear in high-load applications. It is suitable for use in manual transmissions, transfer cases, and rear differentials in both race-prepared and everyday vehicles.

It is compatible with various gearbox seal types and yellow metals commonly found in automotive transmissions.

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The Motul Gear 300 75W90 is a high-performance 100% synthetic gear oil formulated with ester technology to provide extreme pressure resistance and superior anti-wear protection. Technically formulated for versatility, this gear oil is safe for use in manual transmissions, transfer cases, and rear differentials. Its unique synthetic base makes it compatible with most gearbox seal materials and yellow metals (such as brass or bronze synchros) often found in performance gearboxes. It also contains specific friction modifiers that help prevent dragging or noise in limited-slip differentials. While this is a universal-fit lubricant, professional consultation with your service manual is recommended to ensure the viscosity and performance requirements match your specific drivetrain configuration. Its ester-based chemistry provides high thermal stability, ensuring the lubricant maintains its protective film strength even during prolonged exposure to high operating temperatures.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

Brand	Motul
Part Number	MOT105777
Category	Oils, Fluids and Sealer

Videos

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Motul Gear 300 LS 75W90 How well the gear oil protect the gearbox? 100°C

✅Motul Gear 300 Transmission Oil 75w90 😍 [ESTER]

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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