Priced as of May 16, 2026
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Prices may varyCarCareTruth's Analysis
Last reviewed May 16, 2026
TL;DR Purpose-built for pre-2006 GM and pre-2008 Ford automatics — Mobil 1 fully covers Dexron III, Mercon V, Allison C-4, and JASO 1-A. This is a legacy-spec fluid by design; it is the correct choice for the transmissions it targets. Not for vehicles requiring Dexron VI, Mercon LV, Toyota WS, or ZF Lifeguard. No shudder resolution data found.
What it is and how it performs
This PAO-containing synthetic blend is built specifically for older GM and Ford automatics — the ones that shipped with Dexron III or Mercon V in the owner's manual. It covers that spec family completely: Dexron III/IIIG/IIIH/IIE/IID/II, Mercon/Mercon V, Allison C-4, and JASO 1-A, all verified on the manufacturer's product page. The PAO component (20-<30% per SDS §3) puts it in genuine synthetic territory, which means better low-temperature flow and oxidation resistance than a mineral-oil ATF of the same spec.
The product is not approved for Dexron VI, Mercon LV, Toyota WS, or ZF Lifeguard. That's not a gap — those are different specifications for different transmissions. This fluid was never designed for them.
Who should buy this — and who should skip it
Right choice for owners of pre-2006 GM automatics (Dexron III), pre-2008 Ford automatics (Mercon/Mercon V), and applications requiring Allison C-4 or JASO 1-A. Always confirm the spec in your vehicle's owner manual before purchasing.
Skip if your vehicle requires Dexron VI (2006+ GM), Mercon LV (2008+ Ford), Toyota WS, or any ZF Lifeguard specification. Using the wrong ATF spec causes transmission damage.
Safety and environmental impact
The SDS classifies this product as not hazardous — no signal word, no GHS codes at mixture level. Dispose of spent ATF at a used-oil collection facility; do not pour down storm drains or into soil.
Frequently asked questions
Does Mobil 1 Synthetic ATF work for 2006+ GM vehicles requiring Dexron VI?▾
No. This product is designed for older GM automatics requiring Dexron III — the standard spec through the early-to-mid 2000s. Dexron VI is a different, more recent spec required by GM for most 6-speed and newer automatics from 2006 onward. Use a fluid with confirmed Dexron VI approval for 2006+ GM vehicles.
Can I use Mobil 1 Synthetic ATF in a 2008+ Ford with Mercon LV?▾
No. This product holds Mercon V approval, not Mercon LV. Mercon LV is Ford's low-viscosity spec introduced for 2008+ 6-speed automatics. Mercon LV and Mercon V are not interchangeable. Use a Mercon LV-approved fluid for 2008+ Ford vehicles.
What vehicles is Mobil 1 Synthetic ATF actually correct for?▾
It is the right fluid for pre-2006 GM automatics requiring Dexron III, pre-2008 Ford automatics requiring Mercon or Mercon V, and applications calling for Allison C-4 or JASO 1-A. Always verify your vehicle's owner manual spec requirement before purchasing.
Is Mobil 1 Synthetic ATF truly synthetic?▾
It contains a PAO (polyalphaolefin) component (1-Decene homopolymer hydrogenated, 20-<30% per SDS §3), which qualifies the 'synthetic' label. The dominant base stock by volume is severely hydrotreated heavy paraffinic distillate (50-<60%), making this a PAO-containing synthetic blend rather than a pure PAO or ester-base ATF.
From the manufacturer
Marketing copy from Mobil 1, via Amazon. Not editorial.
- •package height : 22.9 cm
- •package length : 6.6 cm
- •package width : 11.2 cm
- •Product type: AUTO ACCESSORY
- •Helps to provide prompt and reliable lubrication at ambient temperatures down to -54 degrees Celsius
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Manufacturer specifications
- Material
- Plastic
- Brand
- Mobil
- Package Information
- Bottle
- Liquid Volume
- 1 Quarts
- Item Weight
- 1.9 Pounds
- Brand Name
- Mobil
- Recommended Uses For Product
- Transmission Fluid
- Specific Uses For Product
- Vehicle operation and maintenance
- Item Form
- Liquid
- Global Trade Identification Number
- 00071924252011
- Manufacturer
- Mobil 1
- Unit Count
- 946 Milliliters
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Top Amazon review
↗External — Amazon's most-helpful review for context.
Great ATF fluid.
My car uses ATF for power steering, the synthetic is nicer stuff. This will fit most, but not all transmissions.Pulled from the product data sheet available online:Mobil 1 Synthetic ATF meets or exceeds the requirements of:JASO 1-AFord Mercon VAccording to ExxonMobil, Mobil 1 Synthetic ATF is of the following quality level:Allison C-4General Motors Dexron IIIHGeneral Motors Dexron IIIGGeneral Motors Dexron IIEGeneral Motors Dexron IIDGeneral Motors Dexron IIGeneral Motors DexronFord MerconMAN 339 V1Volvo 97340Volvo 97341