Red Line 75W-90 NS GL-5 Gear Oil (No Friction Modifier), quart bottle, yellow label
Red Line 75W-90 NS GL-5 Gear Oil (No Friction Modifier), 1 quart bottle, front view
Red Line 75W-90 NS GL-5 Gear Oil (No Friction Modifier), quart bottle, yellow label
Red Line 75W-90 NS GL-5 Gear Oil (No Friction Modifier), 1 quart bottle, front view

Red Line 75W90NS GL-5 Gear Oil - 1 Quart - 12 Pack

Red Line SKU: RED58304
Price
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Details

BrandRed Line
SKURED58304
GTIN / UPC083522583244
Manufacturer Part Number58304

Product Information

Red Line 75W90NS is a full synthetic, ester-based GL-5 gear oil with the same extreme-pressure additives for hypoid gears as the standard 75W90, but with no friction modifiers. Leaving them out helps slow the synchros for easier shifting in transmissions and transaxles, adds copper corrosion protection for synchro life and gives maximum lock-up in clutch-type limited-slip units used for racing. If a limited-slip differential chatters on it, Red Line Limited-Slip Friction Modifier can be added to tune slippage.

Specifications

Type GL-5 gear oil without friction modifiers
Viscosity 75W90
Size 1 Quart
Base Ester
Application Manual transmissions and transaxles, muscle-car manual gearboxes, clutch-type limited-slip differentials in racing, weak limited-slip differentials
Specifications Suitable replacement for: Alfa Romeo, Agip 75W-90 SX, Agip SXA 75W-90, Dodge/Jeep 4549636, Ferrari 75W90, GM 88862475, GM 88862476, Mobil Mobilube 75W-90 SHC, Mobil Delvac 75W-90, Mobil Mobilube PTX 75W-90, Porsche 000 043 204 19, Porsche 000 043 204 71, Porsche 000 043 210 12, Porsche 000 043 304 71, Porsche 000 043 305 00, Porsche 000 043 305 48, Porsche Mobilube PTX, Porsche N-052-911-CO, Porsche SHC 75W90, Spirax S5 ATE, Shell Spirax EP 90, Shell Transaxle Oil 75W-90, Shell Spirax S5 ATE 75W-90, Shell TF 1055, Subaru SOA635011, T-10/Top Loader/Muncie; API GL-5, API GL-6, MT-1, MIL-L-2105E, SAE J2360
Quantity 12 (12 x 1 Quart)

Documents: Product Data Sheet (PDF) | Safety Data Sheet

What does NS mean?

  • NS is the version with no friction modifiers. It has the same extreme-pressure additives as the 75W90 GL-5 but is less slippery.

Is it safe for brass or bronze synchros?

  • Yes. The formula is non-corrosive, safe with all synchro materials, and has improved copper corrosion protection.

Can I use it in a street limited-slip differential?

  • Yes. It helps lock-up on weak limited-slip units, and Red Line Limited-Slip Friction Modifier can be added if you need to tune slippage or stop chatter.

Shipping

  • In stock orders typically ship within 1 to 3 business days.
  • Standard, expedited, and overnight options at checkout.
  • Oversized items ship by freight and take longer.
  • Special order items follow a lead time we confirm with you individually before the order is committed.
  • Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
  • Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
  • International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

  • 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
  • Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
  • Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
  • Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
  • Product images may be representative. The SKU and specifications in the listing are what ships.
  • Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Returns & Refunds · Warranty
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