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2015 sti rear differential. ACCOUNT CONTACT MY CART.
2015 sti rear differential 1. When one wheel tries to turn at a different rate, the little home fry lookin things push between the spider gears and carrier, forcing the other wheel to work at the same speed. 09. $107. NOTE: This should read "sealant" instead of "scellant. 30 2015-2025 WRX Transmission Fluid 3. One seal is needed per axle. Related Posts. All-wheel drive Yea the 50:50 terminology is confusing but it seems to be pretty standard to describe a locking differential that way. A Torx 70 and a 10mm Hex key. Subaru. 2015 WRX - Rear Differential. 32. 60. Add to cart. 2017 Subaru WRX STI. 2016 Subaru WRX STI. rear swaybars & front brace | RCE springs | Cosworth oil control baffle | STI competition engine & tranny mounts | NGK 1-step colder plugs | Group-A pitchstop mount & front/rear endlinks | 2015+ STI Discussion Forum. 2022+ BRZ; The 900HP Level 5 kit for the US MODEL ONLY 2002-2007 Impreza WRX (GD) with STi R180 Rear Differential Conversion is a complete rear system. I'd like to know if anyone has information about replacing the center diff. DCCD - DRIVER CONTROLLED CENTER DIFFERENTIAL THE PLANETARY CENTER DIFFERENTIAL IN THE WRX STI SPLITS ENGINE TORQUE IN VARIABLE RATIOS BETWEEN THE FRONT AND REAR WHEELS. 2015 Subaru WRX STI. 2015-2021 Subaru WRX/STI. TS-SU-303. - Impreza WRX 2008-2014 - Impreza WRX STi 2008-2014 - WRX STI 2015+ - WRX 2015+ - Forester 2013-2015 - Legacy 2000-2008 Subaru OEM Rear Differential Crush Washer - 2008-2021 STI SKU: SUB 803920050. The urethane bushing slips on top of the OEM bushing and the aluminum spacer sandwiches the bushings to the diff mount to prevent unnecessary differential movement. $9. Facebook; 2009-2015+ STi September 11, 2015 Subaru Idiot. 5 Way (R180) Genuine OEM Subaru factory replacement rear diff to axle oil seals for 2002-2021 WRX and 2004+ STi. 5qt 2015-2025 WRX Rear Differential Fluid . $22. Top Contributors this Month View All. Wiring Diagram IDs: 2015-2021 STi. 95. $4. 2018 Subaru WRX STI. All fit 2015-2020 Subaru WRX STI and more. 5 Way (R180) - 2015-2021 Subaru WRX / STI / 2004-2014 Impreza. The Beatrush Rear Differential Mount Bushing Kit is designed for the 2015-2021 WRX and 2015-2021 STI. 2004 Subaru STI - Sold 2008 Subaru STI - Sold 2000 Honda S2000 - Current car. Subaru Impreza Forum Keep your rear diff happy. The passenger side bushing is filled with fluid often we see the original #Subaru #WRX #STI Quick clip showing how to change the rear diff fluid on a 2014 STI. 90 Gear Ratio Mechanical clutch type LSD Will only work 07+ STI's have a Torsen (not plate/clutch type) limited slip rear differential so Motul 300 is what you should be using. In Stock will ship same day if ordered before 3pm How to: changing rear diff oil How to was created using a STi USDM 2004. 15. 5. 1l / 4. This kit provides enhanced support to the rear I changed my rear diff fluid for my 2013 STI at 1,100 miles and it came out BLACK. A half quart of syncromesh seems to help with my grindy 2nd/5th syncros. Save Share 2015 Subaru WRX STi Review. Karlot 71 Replies. - Keep your rear diff happy. Buy Cusco Increased Capacity Rear Differential Cover Blue R180 2004-2021 STI, a Differential Covers by Cusco, 2015-2021 STI. Motul 90pa in the rear diff and Motul 300 + a little Syncromesh in the tranny. It could very well be placebo, but downshifting from 3rd to 2nd is definitely easier now. its a good diff but theres lots of moving parts/bearings, so check it over before you use it. Torque Solution Rear Differential Bushings - 2015-2021 Subaru WRX / STI / 2009-2013 Forester XT / 2008-2014 Impreza. JDM-STI 80 Replies. 46. Qty. 07. Reply reply RepulsiveTaste1687 • 2015 Subaru WRX: More than Everything You Ever Wanted to Know (TFL) youtube. Defaults at 50/50 torq distribution. Pay in full or in 4 interest-free installments of $26. 2009-2014 Challenger R/T / SRT8 Manual 3. Welcome to the North American Subaru Impreza Owners Club: Thursday March 20, 2025: Home: Forums: Images: WikiNASIOC: Products: Store 2005 STI 2003 WRX. 0 kgf-m, 36. com. Essentially its a ramp style diff, theres no clutch packs. front and 22mm adj. 2015-2021 STi; 2008 An STI rear differential is going to be more expensive than a WRX. Timeline:Intro - 0:00Car ove Advanced Search Cancel Create thread New Forums More New Forums More ALSO SEE: 2015 Subaru WRX, STI Models Priced: WRX Gets Big Value Boost. Equipped with our high-grade inner differential spline for the R180 Installing the Torque Solution Rear Differential Inserts on my 2018 Subaru WRX as well as providing you with an in-depth review. Jump to Latest 3. 25" Carbon Fiber 2006-2009 Subaru Legacy Spec B with R180 How to: changing rear diff oil How to was created using a STi USDM 2004. SKU: 510248/510248 Categories: 2008-2019 WRX, Subaru, 2008-2019 WRX Rear Axles. $1,050. Alternative Part Names: Rear Differential Temperature Sensor Plug for 15+ STi; Rear Diff Sensor Plug; Rear Diff Temperature Sensor Plug. Unsure if they are the exact same as the WRX but the sizes are the same. 2015 Subaru STI; 2016 Subaru STI; 2017 Shop wholesale-priced OEM Subaru WRX STI Differentials at SubaruPartsDeal. When I was using Motul, I used the regular 75w90 Gear Oil. com/user/snewstead1388?sub_confirmation=1Today I install the Much needed Rear Differential Carrier by Cusc The worn bushings allow more movement of the rear differential under changing loads. 0 In Stock: Average time to ship: 30 business days. I'd say in order of noticeable difference. 87 $84. (Yes, the Nissan R160 rear differential design). Rear Differential Bushings install Subaru WRX/STi: This rear differential bushing install process took all of about an hour and a half. Price Match Guarantee up to 110%. ACCOUNT CONTACT MY CART. You Save: $476. $47. 06+ STi all has 3. Black90tsiawd 88 Replies. K0305Y0900 - LSD (75W-90 GLS), previously K0904AA080 004403010 - Three Bond 1105 (liquid gasket) Large adjustable wrench or corresponding socket (not sure on size) 1/2" breaker bar Hand Pump Fluid Extractor (optional) Torque spec on plugs: 49. 5 Liter/Litre Factory Motor GD-Members' Journals General Back Home Categorized 2008-2017 WRX STi Rear Axles 2009-2015+ STi Direct Fit 800HP Rear Axles (Pair) Previous product. 1QT (Subaru R180 Rear Diff) STI Swapped for RallyX. Subaru OEM Rear Differential Crush Washer (08+ STI) Vehicle Fitment 2008+ Subaru STI WARNING: Operating, servicing STI. Changing front diff fluid. Pay in full or in 4 interest-free installments of $39. The reason I am asking is there are some mounting studs on the 08+ STi r180 rear cover. Limited Slip Differentials Cusco RS Rear LSD 1. 45 MSRP: $ 2356. This kit provides enhanced support to the rear differential, with additional urethane bushings and an aluminum spacer to help 2008-2015 Subaru WRX with R180 Differential Conversion 800HP Direct Fit Axles (Pair) quantity. Now at ~48k I am changing the tranny + rear diff fluid again. In Stock will ship same day if ordered before 3pm EST. 2015 WRX 4. For STI. 6: Unscrew rear diff cover bolts. 3K views 3 replies 3 participants last post by sblaze65 Jun 30, 2015. 02-05 3. 4 In Stock. What is the different between a 06-07 and a 08+ STi rear diff? (Can I use 08+ in a 02-07) i know 04-05 are the same 3. Since most of my driving is commuting, my transmission (and front differential) fluids were exceptionally clear for a ~35k service, but my rear differential's fluids were dark (and smelly). 54 gear ratio 06-07 3. $57. Shop IAG for Differential Bushings designed to work with your WRX, STI, FXT, LGT, and BRZ. Confirmed Applications: Subaru R160 Rear Differentials [ NOTE - If you are unsure of fitment please contact us with VIN and any information to help 2015+ STI Discussion Forum. Rear differential to subframe (two top bolts): 51. 8l / . The OEM units are soft rubber and break down fairly quickly with that wear accelerated the harder they are used. The Rear Diff Lockdown will reinforce the rear differential on the Subaru WRX/STI to improve the overall drivetrain performance. This totally comprehensive kit contains everything you'll need to carry out a full rebuild on your rear differential unit. It has a viscous LSD which is just no better than an open differential since the unit is so tiny in this diff. Buy Whiteline Rear Differential Positive Power Kit Inserts 2008-2024 WRX / 2008-2021 STI / 2010-2012 LGT / 2009-2018 FXT / 2015-2019 Outback 2012-2016 Impreza, a Transmission and Differential Bushings by Whiteline, for only Shop wholesale-priced OEM Subaru WRX STI Differentials at SubaruPartsDeal. Welcome to the North American Subaru Impreza Owners Club: Saturday March 22, 2025: Home: Forums: Images: WikiNASIOC For the rear differential fluid, go with Because I planned on using the STi axles with the STi Diff, I knew there were no issues on the axles-to-Diff side, with splines and what not. PERRIN Rear Diff Lockdown - 2015-2024 Subaru WRX / 2015-2021 STI. S. Motul 2004-2018 STI R-180 REAR DIFFERENTIAL Brand new, straight from Subaru, R-180 rear differentials. & Diff. 3l / 3. 2015-2021 Subaru WRX / STI / 2008-2014 Impreza. A limited slip differential (LSD) will help your Subaru WRX, STI Cusco RS Rear LSD 1. Recommended Communities. $1,260. youtube. 2019 - 2021 STI; 2015 - 2018 STI; 2011 - 2014 STI; 2008 - 2010 STI; 2004 - 2007 STI; BRZ. Pay in full or in 4 interest-free installments of $9. 111922. 2015 STI rear diff leak. IT ALSO GIVES THE DRIVER A CHOICE – LEAVE RATIO CHOICE TO COMPUTERS OR SET IT YOURSELF. 2015-2021 Subaru WRX / STI / 2009-2013 Forester XT / 2008-2014 Impreza. Confusingly, an open differential has exactly a 50:50 torque split. Kartboy Rear Diff/Carrier Wedge Lock Bushings - 2015-2021 Subaru WRX. 2015 Subaru WRX. This would necessitate taking apart the transmission also. Are there 2015 STI Swaybars: Front 24mm, Rear 20mm. 2019 Torque Solution Rear Differential Mount Inserts - 2015-2021 Subaru WRX / STI / 2008-2014 Impreza. 30. 99 shipping So after much searching, the most common, unproblematic fluid used in STI and WRX diffs is Valvoline 75w-90. Sold individually as needed, price is for one seal. 3qt Skip to content We Offer Military Pricing and Price Matching! rear differential temp sensor. Find various Bushings for the Crossmember, Front, Cradle, and more. Fits 2008+ STi and 2015-2022+ WRX. 21 In Stock. $39. $13. 5 Liter/Litre Factory Motor GD-Members' Journals General Subaru Discussions 2015+ STI Discussion. 90 gear ratio R180 – 64lbs. Motul Check out the deal on Subaru (OEM) Rear Differential Drain Plug Gasket, '08-'21 STi & '15-'25 WRX at OAKOS Automotive. Karlot 75 Replies. Associated Subaru Part Numbers: 22630AA260. Be careful with that temp sensor! Enjoy!Take off the fill plug first!!! For the 19 inch wheels/tires, no difference due to i ran 19’s too on my 2017/2015 STi’s. 98. 2015-2021 STi; • Cusco Rear Cusco Differential Cover - 2015-2021 Subaru STI / 2004-2014 Impreza. Motul 12x1L Transmission 90 PA GL-4 / GL-5 Gear Oil - Universal. GD-General 2. I however took a poll of 10 California Subaru dealerships. Viscous diff helps send power to the front or back, whichever isn't slipping. This is a brand new Subaru OEM rear cross member/carrier for the rear differential. Pay in full or in 4 interest-free installments of $204. 2016 Subaru WRX. 11:1 Rear LSD Swap How-to! So after I heard about someone doing a LSD swap into a 2015 WRX I had to find out how. This kit replaces the rearward differential mount bushings that attach the differential to the rear subframe. 2L Legacy/Impreza’s have a 3. Fits all 2015-2021 Subaru WRX STI. 2017 Subaru WRX. Group N engine Mounts; I have skipped the pitch mount thus far based on hearing that the Group N pitch mount is similar, if not the same as the OEM STI unit. 2004 - 2005 R-180 Specifications Part # 27011AA910 (DISCONTINUED) 3. 9ft-lb GD-General 2. 3 In Stock. Limited Slip Differentials The Beatrush Rear Differential Mount Bushings, for the 2015 Subaru WRX STI, adds support for the rear differential through the use of an additional urethane bushing and aluminum spacer mount. 2010-2014 STI rear swaybars will swap onto any 2015 WRX or STI. 00. 54 ratio. Looking to secure the rear differential in the rear subframe of you 2015-21 WRX and 2015-21 STI? Curious if replacing/upgrading the rear diff (front) mount is worth it. Next 2014 Kia Optima Review. Hi everyone, I'm new to the forum , was wondering if Rear Differential: Durometer: 90A: Installation Hardware Included: No, Reuses Oem: Material: Duralumin / Urethane: Set: Rear: This Part Fits. MPN: SKU: cusLSD 183 L15 Cusco Type-RS Rear Limited Slip Differential Subaru WRX 2015-2019 (1. Brakes Cooling Drivetrain Engine Engine Management Exhaust Exterior Forced Induction Fuel System Torque Solution Rear Differential Mount Inserts - 2015-2021 Subaru WRX / STI / 2008-2014 Impreza. 2018 The oil recommended for the STi rear differential is Genuine Subaru LSD Gear Oil, P/N K0305Y0900 or equivalent. " Subaru recommends GL-5 oil. Add to Cart. See this link: All Q&A about Motul 90 PA Limited Slip Differential Oil 2. 2021 The case and general design of the rear differential is somewhat identical to a WRX, as the WRX also uses the R160. 2017 - 2023 Impreza; 2012 - 2016 Impreza; This Modena rear differential is the latest version of Hey all. 04 STi rear diff fluid. Cusco Rear Differential CarrierSubaru AWD lives on rear traction. 5 ft-lbs in a star pattern. $816. 2 posts · Joined 2015 Add to quote; Only show this user #1 · Jun 30, 2015. Comparison, Install and review of the Cusco rear differential carrier/brace for the 2015+ WRX STI. Pay in full or in 4 interest-free installments of $12. WRX rear differential. Skip to content. YIKES . This is an STI Sports Rear limited slip differential rebuild kit for R160 differentials. 99. 1 In Stock. Construction. The difference is the open diff has that split in all The Cusco rear differential mount for Subaru WRX/STi will help with traction, improve stability and drivetrain response while the cross-section also provides further chassis rigidity. And TA-DA a 08+ STi Rear Differentials: R160, R180 R160 – 52lbs. 6 In Stock. However, because of the completely different final drive ratios, you would need to swap front and rear differentials in. 2 ft-lb) I drove the car up on I changed my tranny + rear diff fluid at 15k miles, then did the tranny again at 30k. 10: Fill with new fluid (Motul) into the fill plug hole till fluid drips out. Black90tsiawd 85 Replies. TC101A-TYTG2. Greddy High Capacity Rear Differential Cover - 2013-2016 Scion FR-S / 2013-2020 Subaru BRZ / 2017-2020 Toyota 86. 2015+ STI Discussion Frequency of maintenance (specifically Trans I changed mine at 2k, and the rear diff fluid was already pretty darn black, but I also had already run one track day and the rear diff got pretty hot (which is why I Check out the deal on Cusco Rear Differential Carrier, 2008-2021 STi & 2015-2021 WRX at OAKOS Automotive. This can i. com FREE DELIVERY possible on eligible purchases. 88 at so i snapped mine while changing the rear diff oil. Dan GD-General 2. I have an ‘18 wrx with 66k and stock except for a factory sti short throw shifter. This factory fresh part comes with brand new bushings pre-installed. STi rear differential. #wrxsti #cusco #differential If interested please see these You can choose from rear differential, transmission cross member, rear subframe, transmission mount, or rear differential. The axles feature our aerospace grade torsional 300M axle bars and billet ball & cage inner cv. 0 N·m (5. his is because the Axles and Had a 1,000 mile oil change done today at my mechanic/friend's shop and he noticed the rear diff is leaking, either from one of the top studs on the cover or the vent up there. Subaru WRX STI Differential Assembly Rear. Link confirmation: 2015-2019 Subaru WRX STI Rear Differential Assembly 39k Miles MT 2. Tomei Technical Trax Advance 2-Way Rear Limited-Slip Differential - 2013-2024 Scion FR-S Also, the service manual seems to specify that the brakes should be bled in the sequence starting farthest from the master cylinder - which would seem to be passenger rear, driver rear, passenger front, then driver front - but I've heard different things for the STI (the 2015 WRX/STI service manual doesn't specify a difference). 90 ratio. Power Packages; ECU Tuning; Intake; Intercoolers; Exhaust; Turbochargers; Cooling System; Part #: 6A1 489 AFitment Information: Subaru WRX 2015-2024 Subaru STI 2008-2021 Subaru Crosstrek 2013-2023 Subaru Forester 2019-2024 The Cusco Reinforced Differential Carrier For those of you using the Factory Service Manual while changing your rear diff fluid: The manual says: 5) Install the filler plug or rear GD-General 2. In this video we talk about the difference between gear type or torsen differentials and clutch type differentials (also known as limited slip differentials or LSD's), and where and when you would want to upgrade your I see that there are 2 separate drain plugs, 1 for the Manual Transmission and 1 for the front differential on a 2015 Subaru WRX STI. Whiteline rear diff inserts; Then. 5 extended studs. That setting puts the rear diff into ‘high’ and is best used for situations requiring traction, The Rear Differential Mount Bushings will add additional support to the rear differential of the Subaru WRX/STI to reduce excessive movement. 2018 Subaru WRX. Top Contributors Thats an AP Racing Suretrac rear diff. Included are both axles, hubs, and ARP M12x1. sblaze65 Discussion starter. 2015 WRX - Rear Differential Transmission (AT/MT) & Driveline. STi Trans. Cusco Limited Slip Differential - 2002-2021 Subaru WRX. $156. How does the 2015 WRX STI DCCD system work? The all-new 2015 WRX STI uses a limited-slip, planetary gear-type center differential, augmented by an electronically controlled center limited-slip Comparison, Install and review of the Cusco rear differential carrier/brace for the 2015+ WRX STI. 7: Clean both mating surfaces careful to not nick any metal. Engine mounts; Diff inserts tied with trans mount; Shifter bushings; crossmember bushings Click This To Subscribe to me: https://www. RECOMMENDED: GO take a 5 min ride with you car before doing this, so the oil will be a bit hot and will drain MUCH quicker. Viscous center diff and open front and rear diffs with brake assisted torque vectoring if you are in normal or trac mode. 2004 Subaru STI - Sold 2008 Subaru STI - Sold 2000 Honda S2000 GD-General 2. What you will need is: Rear Diff Bushings: Whiteline KDT905 Rear Differential Support Bushing Whiteline W92835 Rear Differential Mount Bushing . KB-003-WEDGE. 0 (4) $100. 53. 0 (2) $79. 0. JDM-STI 80 The PERRIN Rear Differential Lockdown locks the differential down for significantly reduced movement and better driver feel. 2015+ STI Discussion. 5L OEM 15-19 (For: Subaru WRX STI) Enhance the traction and handling of your Subaru WRX, STI, Forester, and Crosstrek with a limited slip differential (LSD) upgrade. Maintenance: Jump to Latest 26K views 17 The rear diff filler bolt (the one with the sensor) is 24mm deep well socket. Rain sensitive wipers i have to see soon, The rear differential wasnt changed its still a torsen limited slip like the prior years and 2008 Dark Grey Metallic STI Mods: Stage 1 94 Custom tune | Kartboy f/r shifter & TiC pivot bushings | StopTech SS brakelines | Whiteline 24mm adj. JDM-STI 79 Replies. 9: Screw back in rear diff cover bolts, torquing to 32. StopTech Stainless Steel Brake Lines - Rear - 08 . #wrxsti #cusco #differential If interested please see these 2015-2022 Subaru WRX and 2015-2021 Subaru WRX STI Rear Differential Carrier by Cusco. 8: Place new gasket (actual gasket, no rtv) in between both surfaces. Cusco Differential Cover - 2015-2021 Subaru STI / 2004-2014 Impreza. 54 gear ratio R160’s on 2. 91. Haven't had any issues *knock on wood*. 2015-2021 Subaru WRX STI Rear Differential Crossmember Brace Bracket Support OEM (For: Subaru WRX STI) Pre-Owned. Engine . 2022+ BRZ; 2013 - 2020 BRZ; Impreza. B. This is a Genuine Subaru 2008-2021 WRX/STI. Fluid Change Service & Maintenance. Holiday Specials; Shop by Vehicle Make. (DCCD) bringing a helical limited-slip front differential and Torsen limited-slip rear diff. CB-3201K. I believe the older STI's (02-05) used the the 300LS oil since their rear was a little different compared to the new models so you want to use the regular 75w90 gear oil for your tranny and rear diff. Buy Torque Solution Billet Rear Differential Brace Black Compatible with Subaru WRX/STI 2008+: Differential Assembly Kits - Amazon. Cusco's Enhanced Rear Differential Mount helps provide smoother and linear acceleration that Buy Torque Solutions Solid Billet Rear Differential Brace 2008-2021 WRX / 2008-2021 STI / 2013-2015 Forester, a Chassis The Beatrush Rear Differential Mount Bushing Kit is designed for the 2015-2021 WRX and 2015-2021 STI. I plan on adding the Cobb stage 1 shift kit, group N trans mount, and the whiteline positive shift kit. Share. 5-2 Way). Every single one of them uses a standard dino 80w-90. Enuf so it's blown back and toasted onto the exhaust pipe at the split to the mufflers. Now there are some people on here who SWEAR that you MUST use the Subaru LSD fluid in the STI rear diff. $570. Cusco and Beatrush make mounts, with the former using rubber bushings and the latter polyurethane. 85qt 2004-2021 STi Transmission Fluid 4. LSD183L15. 6ft-lb Differential front member: 36. 01 (21%) Ships in 1-3 Business Days. I need to know what else was changed on the diff physically. Pay in full or in 4 interest-free installments of $315. Torque Solution Upper Differential Mount Inserts - 2015-2021 Subaru WRX / STI. Buy Torque Solutions Solid Billet Rear Differential Brace 2008-2021 WRX / 2008-2021 STI / 2013-2015 Forester, a Chassis Bracing by Torque Solution, for only $288. 0 (1) $47. Part Number: 27011AB161 $1880. rkprrfjhpgdfhyepbtdnahavxkrnhjcykdoiequkaefuytbflzfimgnzojqlxkerzybrdxpuedybwj