2009 Mercury Mountaineer Differentials

Essential 2009 Mercury Mountaineer Differentials

Pro-King – Differential Cross Shaft (Part No.742G930)

Differential Cross Shaft

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$2.79
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
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Yukon Gear – Positraction Internals For 8.8" Ford With 31 Spline Axles (Part No.16016)

Positraction Internals For 8.8" Ford With 31 Spline Axles

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$329.99
Yukon positraction internals for 8.8″ Ford with 31 spline axles. This kit fits Yukon Gura Grip & Eaton positractions. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. This kit does not include clutches. All components come with a one year warranty against manufacturing defects.

Product Features:
  • Spider gear kit
  • Fits Ford 8.8″ with Yukon Dura Grip positraction with 31 spline axles
  • Includes two side gears, two pinion gears, cross pin shaft, roll pin and spider gear thrust washers.
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Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil With Posi Additive (Part No.15003)

3 Qt - 80W90 Conventional Gear Oil With Posi Additive

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$57.99
3 Qt. Penzoil 80W90 conventional gear Oil. W/ bottle of Posi additive.

Product Features:
  • Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive
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Yukon Gear – Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt (Part No.33286)

Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt

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$9.99
5/16″-18 cover bolt, Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, Chrysler 9.25 rear, GM 7.5″, 7.625″, 8.2″, 8.5″, 12 bolt passenger car and truck.

Product Features:
  • Cover bolt for Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, GM 7.5″, 7.625″, 8.2″, 8.5″ and 12 bolt passenger car and truck.
  • 1/2″ head
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Dorman – Differential Yoke including Seal and Pinion Nut (Part No.697-507)

Differential Yoke including Seal and Pinion Nut

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$48.99
A worn or damaged differential pinion flange can lead to driveline vibrations and fluid leaks. This part is designed to match the performance of the original equipment pinion flange on specified vehicles. It has been engineered to help restore a secure and reliable connection between the differential pinion and the drive shaft when the original flange is rusted, worn or damaged. It is made of rugged materials for reliable service and durability.

Product Features:
  • Direct replacement – this differential pinion flange is designed to match the performance of the original equipment flange on specified vehicles.
  • Ideal solution – engineered to help restore a secure and reliable connection between the differential pinion and the drive shaft when the original flange is worn or damaged.
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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USA Standard Gear – Standard Spider Gear Set For Ford 8.8" Trac Loc Posi, 31 Spline (Part No.39032)

Standard Spider Gear Set For Ford 8.8" Trac Loc Posi, 31 Spline

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$299.99
Product Features:
  • Spider gear kit
  • Fits Ford 8.8″ 31 spline Trac Loc positraction
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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Yukon Gear – Side Gear And Thrust Washer (0.750" Shaft) For 8.8" Ford (Part No.33298)

Side Gear And Thrust Washer (0.750" Shaft) For 8.8" Ford

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$6.99
Side gear thrust washer (0.750″ shaft) for 8.8″ Ford.

Product Features:
  • Side gear thrust washer for Ford 8.8″
  • 0.750″ diameter cross pin shaft applications only
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Yukon Gear – Super Carrier Shim Kit For Ford 8.8", GM 12 Bolt Car & Truck, 8.6 & Vette (Part No.55002)

Super Carrier Shim Kit For Ford 8.8", GM 12 Bolt Car & Truck, 8.6 & Vette

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$59.99
Product Features:
  • Super carrier shim kit for Ford 8.8″, GM 12 bolt passenger car and truck, GM 8.0″, 8.6″, 8.6″ IRS and 1963-1979 Corvette
  • Interlocking design makes installation much easier
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Yukon Gear – 8.8" Ford 3/4" Notched Cross Pin Shaft (0.750", ’85 And Older) (Part No.33432)

8.8" Ford 3/4" Notched Cross Pin Shaft (0.750", '85 And Older)

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$78.99
8.8″ Ford 3/4″ Notched cross pin shaft (0.750″, ’85 and older). This cross pin shaft is not compatible with Powertrax Lock Rights or Spartan Lockers.

Product Features:
  • Cross pin shaft
  • Fits Ford 8.8″
  • 0.750″ diameter
  • Notched
  • Not compatible with Spartan Lockers or Lock Rights
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National – Bearings (Part No.LM603019)

Bearings

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$49.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
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Yukon Gear – Air Line Repair Kit, Zip Locker (Part No.34003)

Air Line Repair Kit, Zip Locker

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$52.99
Air line repair kit, ZIP locker.

Product Features:
  • Air line repair kit
  • Includes 20′ air line and two repair fittings
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Yukon Gear – Dana 25 / 27 / 30 / 36 / 44 / 53 Pinion Nut Washer Replacement (Part No.33163)

Dana 25 / 27 / 30 / 36 / 44 / 53 Pinion Nut Washer Replacement

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$3.99
Replacement pinion nut washer for Dana 25, 27, 30, 36, 44 & 53.

Product Features:
  • Pinion nut washer for Dana Spicer 25, 27, 30, 44 and 50
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ARP Auto Racing – For Use With Ford 8.8 And 9" Using 3/4"Socket, 0.75"L Under Head, 7/16"-20 (Part No.250-3003)

For Use With Ford 8.8 And 9" Using 3/4"Socket, 0.75"L Under Head, 7/16"-20

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$34.99
The tremendous shock loads generated at launch by most any drag racing vehicle equipped with today sticky tire compounds or the acceleration and deceleration of oval track cars put considerable strain on the ring gear. For this reason, the fastener experts at ARP have developed the Pro Series ring gear bolts. they are forged from premium grade 8740 chrome moly steel and are heat treated to a nominal rating of 200,000 PSI tensile strength. Specially hardened, precision ground washers are included where required. Available to fit most any ring gear setup ranging from popular 9 Inch Ford GM 10 and 12 bolt rear ends to the beefy strange differentials found in top fuel and funny car applications.

Product Features:
  • Forged From Premium Grade 8740 Chrome Moly Steel
  • Heat Treated
  • Nominally Rated At 200,000 Psi Tensile Strength
  • Specially Hardened, Precision Ground Washers
  • 0.75″ Underhead Length
  • 200,000 PSI
  • Sold As A Set
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Dorman – Differential Pinion Yoke Assembly (Part No.697-532)

Differential Pinion Yoke Assembly

from

$176.99
Worn or damaged differential end yoke causing driveline vibrations? This direct replacement end yoke matches the original equipment part for a trustworthy repair and reliable performance.

Product Features:
  • Direct replacement – this differential end yoke matches the fit and construction of the original yoke.
  • Excellent value – this replacement end yoke offers original equipment quality at a fraction of the price of dealer parts.
  • Quality materials – this end yoke is machined from cast iron for strength and is precision machined for reliability
  • Validated fit – this differential end yoke has been tested to confirm accurate fit
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Yukon Gear – Pinion Install Kit For Ford 8.8" Differential (Part No.13041)

Pinion Install Kit For Ford 8.8" Differential

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$167.99
Yukon Pinion installation kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings & races can be reused. This kit uses Timken bearings and races along with a high quality pinion seal and small parts. Included in this kit are the pinion bearings and races, pilot bearing (if applicable), crush sleeve (if applicable), complete pinion shim kit, pinion nut, thread locker, and marking compound with brush. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your pinion gear.

Product Features:
  • Fits 2009 and down Ford 8.8″
  • Included are pinion bearings and races, pinion seal, crush sleeve , complete pinion shim kit, and marking compound with brush.
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Yukon Gear – Replacement Oil Baffle For Model 35 IFS Front, Dana 25, 27, 30, 44 IFS & Disconnect And Dana 50 (Part No.33002)

Replacement Oil Baffle For Model 35 IFS Front, Dana 25, 27, 30, 44 IFS & Disconnect And Dana 50

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$4.99
Product Features:
  • Oil baffle for Dana Spicer 30, Dana Spicer 44 IFS, Dana Spicer 50, AMC Model 35 IFS
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Yukon Gear – Trao Loc Spring For Ford 8.8", 31 Spline (Part No.33516)

Trao Loc Spring For Ford 8.8", 31 Spline

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$99.99
Product Features:
  • Trac Loc spring for Ford 8.8″
  • 31 spline applications only
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Yukon Gear – 8.8" Ford Tracloc Clutch Set (Carbon), Both Sides, 2003-2010 Cobra Svt (Part No.16104)

8.8" Ford Tracloc Clutch Set (Carbon), Both Sides, 2003-2010 Cobra Svt

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$342.99
8.8″ Ford TracLoc clutch set (Carbon), both sides, 2003-2010 Cobra SVT.

Product Features:
  • Clutch kit
  • Fits Ford 8.8″ trac Loc positraction
  • Carbon fiber clutches
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Yukon Gear – Bearing Race Driver Set, 21 Piece (Part No.56030)

Bearing Race Driver Set, 21 Piece

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$1566.99
21 Piece bearing race driver set. (Box wt: 140lbs) No return.

Product Features:
  • Bearing race driver set
  • 21 pieces
  • All steel construction
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Yukon Gear – Dura Grip Positraction For Ford 8.8" With 28 Spline Axles (Part No.26005)

Dura Grip Positraction For Ford 8.8" With 28 Spline Axles

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$834.99
The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip uses a nodular case and forged 4320 internals for added strength along with composite clutches for high performance and long life. All units are Rebuildable and many offer upgrades to increase aggressiveness for racing applications. Each unit carries a one year warranty against defects.

Product Features:
  • Fits Ford 8.8″ with 28 spline axles
  • 4-spring, clutch style positraction
  • Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
  • Fully rebuildable
  • Assembled in the USA
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Pro-King – Differential Bearing Cup (Part No.742G256)

Differential Bearing Cup

from

$8.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
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Yukon Gear – Replacement Pinion Depth Shims For Dana 35, Model 35 & Chrysler 7.25" (Part No.55014)

Replacement Pinion Depth Shims For Dana 35, Model 35 & Chrysler 7.25"

from

$17.99
Yukon 1541H alloy right hand rear axle for Model 35 (drum brakes) with a 54 tooth, 2.7″ ABS ring. axle has a length of 29-1/4″ inches and 27 splines. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H allo

Product Features:
  • Pinion depth shims for AMC Model 35 and Chrysler 7.25″
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Yukon Gear – Pinion Gear And Thrust Washer (0.875" Shaft) For 8.8" Ford (Part No.33299)

Pinion Gear And Thrust Washer (0.875" Shaft) For 8.8" Ford

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$11.99
Pinion gear thrust washer (0.875″ shaft) for 8.8″ Ford.

Product Features:
  • Pinion gear thrust washer for Ford 8.8″
  • 0.875″ diameter cross pin shaft applications only
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USA Standard Gear – Spartan Locker For Ford 8.8", 31 Spline, Includes Heavy-Duty Cross Pin Shaft (Part No.17005)

Spartan Locker For Ford 8.8", 31 Spline, Includes Heavy-Duty Cross Pin Shaft

from

$649.99
The Spartan Locker, by USA Standard Gear, provides reliable traction at a low cost. Give your vehicle great traction and save some cash. Choose a Spartan Locker for better traction. The Spartan locker by USA standard gear is a mechanical locker that replaces the spiders in a standard case. The Spartan locker’s design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap! The couplers and drivers are made from 9310 steel, for added strength. Each Spartan locker carries a one year warranty against defect.

Product Features:
  • Fits Ford 8.8″ with 31 spline axles and 7/8″ cross pin shaft
  • Made from 9310 steel for added strength
  • Replaces the spiders in a standard carrier case
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Motive Gear – Differential Master Bearing Kit – Koyo (Part No.R8.8RMK)

Differential Master Bearing Kit - Koyo

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$126.99
Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv

Product Features:
  • KIT BRG&SL FORD MSTR 8.8
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Yukon Gear – The Carrier Bearing Puller (Part No.56034)

The Carrier Bearing Puller

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$689.99
The Yukon carrier bearing Puller works with an impact gun to quickly and safely remove carrier bearings without damaging them. This unit comes with a handy bench top stand and works with up to most standard one ton applications. This unit is works with differentials up to one-ton applcations. It is not compatible with Dana 70HD, Dana 80, 10.25″ & 10.5″ Ford, or GM & Chrysler 11.5″ differentials.

Product Features:
  • Carrier bearing puller
  • Works with an impact gun to safely and easliy remove carrrier bearings
  • Not compatible with Dana 70HD, Dana 80, Ford 10.25″ and 10.5″ or Gm and Chrysler 11.5″ applications
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Yukon Gear – 7.5", 8", 8.8", 9", 10.25" Ford Redi Sleeve Yoke Saver (Part No.30226)

7.5", 8", 8.8", 9", 10.25" Ford Redi Sleeve Yoke Saver

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$30.99
7.5″, 8″, 8.8″, 9″, 10.25″ Ford REDI sleeve yoke saver.Yukon Mighty seal.

Product Features:
  • Redi-Sleeve yoke saver
  • Fits Ford 7.5″, 8.8″, 9″ and 10.25″
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National – Shaft Repair Sleeve (Part No.99157)

Shaft Repair Sleeve

from

$37.49
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
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2009 Mercury Mountaineer Differentials

Maybe you’re in the middle of a full rebuild of that 2009 Mercury Mountaineer. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 205 different Differentials in our inventory ranging from $0.99 to $1,566.99. That means you can find the exact parts or products you need to keep that 2009 Mercury Mountaineer running smoothly.

Differentials are only as good as their brand. We stock 19 different brands to make sure you have plenty of trusted parts to choose from for your 2009 Mercury Mountaineer. Valvoline, Royal Purple, and Yukon Gear are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Differentials for your 2009 Mercury Mountaineer, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,682 reviews in this category, some of the top rated parts include Differential Shaft Lock Bolt with 4.0 stars and Differential Carrier Gear Kit with 4.5 stars.

So if you’re in the market for aftermarket Differentials to keep your 2009 Mercury Mountaineer rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Differentials Brands To Make Your 2009 Mercury Mountaineer Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2009 Mercury Mountaineer demands trusted brand parts and products to keep it running. Many trusted brands of Differentials make up Advance Auto Parts’ inventory, and all are ready to help make your Mountaineer the best it can be. Be sure to browse some of our top Differentials brands and parts.

FAQs for 2009 Mercury Mountaineer Differentials

What are the most purchased Differentials for the 2009 Mercury Mountaineer?

Out of 205 Differentials for the 2009 Mercury Mountaineer, the most popular in our inventory are:
Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-140, 1 Quart
from $19.99
This product is not rated
Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-140, 1 Quart
Differential Oil
3 Qt - 80W90 Conventional Gear Oil With Posi Additive
from $57.99
This product is not rated
3 Qt – 80W90 Conventional Gear Oil With Posi Additive
Differential Oil

What are the top-rated 2009 Mercury Mountaineer Differentials?

Top-rated Differentials for your 2009 Mercury Mountaineer based on customer reviews/ratings are:
Differential Shaft Lock Bolt
from $5.99
(11)
Differential Shaft Lock Bolt
“great”
Differential Carrier Gear Kit
from $96.99
(6)
Differential Carrier Gear Kit
“Part looked good but I had ordered the wrong part”
Differential Cover Gasket
from $8.29
(3)
Differential Cover Gasket
“Good product”