Should I flush my engine oil before switching from conventional to synthetic oil or vice versa?

No, it is not necessary to flush your engine when switching between motor oils. Typically, conducting a routine oil change and replacing the conventional oil with a synthetic motor oil will not require any additional maintenance.

Do I need a special oil filter for a synthetic oil?

No, synthetic motor oil does not require you use a special filter. Oil filters are used based on vehicle specifications. Refer to your vehicle Owner’s Manual for guidance on what type of oil filter to use.

Is there a way to tell if my engine oil needs to be changed or is running low?

Yes, if equipped, your vehicle’s oil life monitoring system will inform you when your motor oil needs to be changed. Refer to your vehicle Owner’s Manual for more specific guidelines.

Does my transmission fluid need to be changed as regularly as my oil?

No, typically, transmission fluid lasts much longer than most engine oils. Refer to your vehicle Owner’s Manual to identify how often and when your transmission fluid should be changed. Severe usage and regular usage descriptions are provided.

Is there a difference between power steering fluid and transmission fluid?

Yes, there is a difference. There are many types of transmission fluid. GM Genuine Parts and ACDelco recommend referring to your vehicle Owner’s Manual for fluid recommendations for all vehicle systems.

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ACDelco GM Original Equipment 10-4034 Dexron LS 75W-90 Gear Oil - 32 oz

ACDelco GM Original Equipment 10-4034 Dexron LS 75W-90 Gear Oil - 32 oz

Product ID: 269584798

Details

Brand
ACDelco
Item weight
794 g
Liquid volume
0.94 Liters
Material
Oil
Package information
Bottle

🔧Pre-mixed limited slip friction modifier included

⚙️75W-90 viscosity for optimal gear protection

🛢️32 oz bottle, perfect for precise manual transmission service

492.21 DT

Duties & taxes included

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Description

⚙️ Gear up with confidence—your transmission’s new best friend!

READY TO USE CONVENIENCE - Eliminates guesswork with a pre-mixed formula that saves time and hassle
BUILT IN LIMITED SLIP MODIFIER - No need for extra additives—optimized for limited slip differentials right out of the bottle
PRECISION ENGINEERED VISCOSITY - 75W-90 grade ensures smooth, reliable gear shifts under all conditions
TRUSTED BRAND WITH TOP RATINGS - ACDelco quality backed by a 4.9-star rating from over 670 users
TAILORED FOR MODERN TRANSMISSIONS - Specifically formulated for 2007+ manual transmissions and transfer cases

ACDelco GM Original Equipment 10-4034 Dexron LS 75W-90 Gear Oil is a premium lubricant designed specifically for 2007 and newer manual transmissions and transfer cases. Featuring a pre-mixed limited slip friction modifier, this 32 oz bottle delivers optimal gear protection without the need for additional additives, ensuring smooth performance and reliability trusted by thousands of satisfied users.

Specifications

ASIN	B008BZS6J8
Best Sellers Rank	#73,394 in Automotive ( See Top 100 in Automotive ) #772 in Automotive Oils
Brand Name	ACDelco
Container Type	Bottle
Customer Reviews	4.9 4.9 out of 5 stars (670)
Global Trade Identification Number	00707773844007
Included Components	Axle Gear Oil
Item Form	Oil
Item Type Name	Axle Gear Oil
Item Weight	794 g
Liquid Volume	0.94 Liters
Manufacturer	ACDelco
Material	Oil
Model Number	10-4034
Number of Items	1
Part Number	10-4034
Recommended Uses For Product	Gear Oil
Specific Uses For Product	Manual Transmission and Transfer Case Lubrication
UPC	707773844007
Unit Count	31.99 Milliliters
Viscosity	75W-90
Warranty Description	No Warranty

Reviews

R**A

Muy buen producto!

El producto indicado para el diff de Vette C6Z

7.05.2021

B**P

Quality OEM diff fluid for limited slip differential on c6 corvette

Great quality diff fluid to replace on c6 corvette as it did reduce rear axle noise immediately.

19.03.2025

B**N

Works great!

I bought this gear oil to replace the differential fluid on my 2018 Camaro SS and so far, so good! I mean it's OEM, so it better work! I had to buy a hand pump to get it flowing, but it was such an easy job, I think anyone can do it. The price seems to have gone up about $10 since I last bought it, but I think it's worth changing out if your car has never had it done before.

2.02.2025

J**B

OEM Rear Diff fluid

It's exactly what car call for.

7.08.2026

B**E

Fix for LSD clutch moan

2011 CTS-V Coupe, 57k miles. Had the dreaded clutch moan (sounds like tires rubbing) at slow speed, cold diff, full wheel turning lock. Drained old fluid, stabbed in new fluid. Few tight u-turns both ways, moan gone. 5 stars.

1.04.2026

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TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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492.21 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

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