New Castle, DE

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New Castle, DE
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Transmission Fluid Change & Flush in New Castle, DE

24 experts listed · 6 in New Castle · 4 open weekends · 22 rated 4.5+

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Muldoon's Performance Transmissions

Muldoon's Performance Transmissions

(50)
  • Questions
  • Prices
  • Work
“Muldoons was hands down the best company to deal with out of the many I delt with, I chose to rebuild and swap a 47RE into my 1991 Dodge D250 and tackle it myself, I bought all the parts from them along with a full manual valve body and this was my f...”
BBB Rating: BBB Rating: A+
In Business Since 2016
610 South St, New Castle, DE 19720
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Cottman Transmission and Total Auto Care

Cottman Transmission and Total Auto Care

(48)
Rebuilt Transmissions, Transmission Coolers, Transfer Case Repair
“I have been going to Cottman for years… Mark and the guys always do a great job and have been fair with me as far as costs…I do recommend Cottman Transmission to anyone needing work done on their vehicle!!!”
In Business Since 1996
1600 N Dupont Hwy, New Castle, DE
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Trans Plus Inc

Trans Plus Inc

(23)
  • Oil
  • Vehicle
  • Mechanic
“Always professional, knowledgeable and would steer me in the right direction for repairs and future possible repairs when needed never trying to get me to do repairs unnecessarily.”
In Business Since 2015
423 W 7th St, New Castle, DE 19720
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Dj's Automotive

Dj's Automotive

(20)
  • Money
  • Diagnostic
  • Rent
“I was in a bind and needed my car serviced (I needed an alternator) and other shops wouldn't have been able to service my car until late into the following week.”
BBB Rating: BBB Rating: A+
Accepts All Major Credit Cards
In Business Since 2001
186 N Dupont Hwy # 7, New Castle, DE
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Power Trans Inc

Power Trans Inc

(1)
“Real friendly”
Remote Consultations Available
Free Initial Consultation
In Business Since 2003
12 McCullough Dr # 2, New Castle, DE 19720
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American Discount Automotive

American Discount Automotive

(22)
  • Prices
  • Fair
  • Honest
“I had an auto repair shop tell me that I needed a whole new muffler system and I went to Mike/American Discount Auto for a second opinion because I saw great reviews posted online.”
867 S Dupont Hwy # 6, New Castle, DE 19720
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Area overview: New Castle, DE

6 of the 24 experts we list are based in New Castle; the other 18 serve New Castle from towns including Wilmington (7, 5 mi), Newark (5, 10 mi) and Carneys Point Township (1, 6 mi). The experts on this page are rated from 4.2 to 5.0 across 5,415 reviews; 20 have 50 or more reviews and 22 are rated 4.5 or higher. When customers rate these experts on specific qualities, they most often praise professionalism (88%), quality (80%) and value (75%). 4 are open on Saturdays. The services the experts on this page list most often on their websites are auto repair (2), brake repairs (2), ceramic coating (car) (2), ceramic coating (wheel) (2) and computer diagnostics (2). 5 list staff certifications (ASE) and 16 have a BBB rating of A or A+. Domain records put 22 websites of the experts on this page at ten or more years old; the oldest dates from 1996. 3 give free estimates and 7 are family- or locally-owned. We count these figures across the experts on this page; distances are straight-line, and hours and prices change, so confirm the details with the expert before you visit.

Data verified September 29, 2026

Listed for drivers in and around New Castle, DE, these 24 shops change and flush transmission fluid. What each one says about fluid brands, filters and pricing comes from its own website; ratings and quotes come from public reviews.

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JV Auto Service

JV Auto Service

(47)
Fleet Services, Napa Peace of Mind Warranty, Gold-Certified Napa Autocare Center Benefits
“Services General repairs & maintenance, Auto engine diagnostic”
BBB Rating: BBB Rating: A+
Offers Financing Options
Family Business
Accepts All Major Credit Cards
1500 W Newport Pike, Wilmington, DE
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Integrity Auto Repair

Integrity Auto Repair

(49)
Napa Autocare Center Benefits, Jasper Engines and Transmissions, Brake Repairs
“They are fantastic and very helpful and go really in depth when working on your car to make sure that there aren't any other problems happening that could lead to other things happening and are very trustworthy.”
BBB Rating: BBB Rating: A+
Offers Financing Options
Accepts All Major Credit Cards
Coupons & Offers
Serving New Castle Area
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Everest Auto Repair

Everest Auto Repair

(48)
Schedule An Appointment, Vehicles, Services
“They were able to fit my girlfriend's van into the schedule, somewhat last minute, for a front end alignment after we'd replaced the front suspension at home, and they were kind enough to look into the rear shocks and give us a second opinion after M...”
ASE Certified
Coupons & Offers
Accepts Check, All Major Credit Cards, Debit
In Business Since 2013
Serving New Castle Area
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Sports Car Tire

Sports Car Tire

(47)
Ceramic Coating (Car), OE Wheel Exchange, Running Boards, Push Bars
“The guy who quoted me the $90 in the morning, was nowhere to be found when the second guy brought me the invoice in the afternoon and gave me the-deer-in-the-headlights look when I mentioned the $90 quote”
BBB Rating: BBB Rating: A+
Coupons & Offers
Accepts All Major Credit Cards
In Business Since 1997
1203 13th St, Wilmington, DE
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Brandywine Auto Repair

Brandywine Auto Repair

(50)
  • Vehicles
  • Quality
  • Oil
“Can't ask for more Positive Punctuality, Quality, Value Services Air & cabin filter replacement, Tires, General repairs & maintenance, Auto engine diagnostic, Auto brake repair, Engine repair, Vehicle Inspection”
BBB Rating: BBB Rating: A+
Coupons & Offers
Accepts All Major Credit Cards
In Business Since 2006
Serving New Castle Area
Featured

Keeping your vehicle in top shape is our priority. We offer auto maintenance, oil changes, brake service, and more to ensure your car runs smoothly. Schedule your maintenance today for a trouble-free ride!

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Certified Automotive

Certified Automotive

(49)
30 – 60 – 90 Service, Brakes, Emissions Diagnostics
“Chris and Kyle are both very very helpful and fair and while dealing with my psychotic toddler in their waiting room both had great sense of humor and patience LOL”
ASE, LOVE, ASE Certified
Accepts All Major Credit Cards
In Business Since 1979
1321 Newport Gap Pike, Wilmington, DE
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Paul Campanella's Auto & Tire Center Pike Creek

Paul Campanella's Auto & Tire Center Pike Creek

(48)
“Such a pleasure to have found a service center that actually knows how to service my vehicle and really inspects it every time I bring it in even when it is just an oil change.”
ASE Certified
Coupons & Offers
Accepts All Major Credit Cards
In Business Since 1989
2379 Limestone Rd, Wilmington, DE
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J-Tune Performance

J-Tune Performance

(47)
Dyno Tuning, Maintenance, Fabrication
“From top end work, had my Canadian friends build my some insane coil packs, resealed the upper engine, new injectors, high flow fuel pump, stage colder NGK Double Platinum plugs and matching O2s with dumps at the cats, coolant bypasses, to dual exhau...”
BBB Rating: BBB Rating: A+
In Business Since 2011
Serving New Castle Area
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Benchmark Transmission & Auto Care

Benchmark Transmission & Auto Care

(47)
Newark, Middletown
“This was the second time we needed service on a vehicle's Transmission and this is our go to mechanic for honest work, and the job done right the first time.”
BBB Rating: BBB Rating: A+
Coupons & Offers
Offers Financing Options
Free Initial Consultation
Serving New Castle Area
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Penny Hill Service and Repair Center

Penny Hill Service and Repair Center

(47)
“Services Auto side window replacement, General repairs & maintenance, Auto A/C recharge, Auto exhaust system replacement, Brakes, Wiper blade installation, Auto maintenance, Battery, Oil change”
BBB Rating: BBB Rating: A+
Coupons & Offers
Accepts All Major Credit Cards
Locally Owned & Operated
517 Philadelphia Pike, Wilmington, DE
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Holly Oak Towing & Service Center

Holly Oak Towing & Service Center

(49)
Schedule My Service, Napa Peace of Mind Warranty, Digital Inspections
“Rob then stated that he recommended that I come in to handle the release of my vehicle so that it could be moved to the servicing side (which to some may seem like common sense, but with everything that I was going through, I had not thought of that)...”
Offers Financing Options
Family Business
Coupons & Offers
In Business Since 1969
6521 Governor Printz Blvd, Wilmington, DE
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Fairhill Auto Center

Fairhill Auto Center

(43)
“I've been dealing with Fair Hill Auto for approximately two years and have used them for everything from oil changes and tire rotations to a timing belt replacement.”
ASE, ASE Certified
Family Business
Accepts All Major Credit Cards
In Business Since 1991
Serving New Castle Area
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Kirkwood Auto Center

Kirkwood Auto Center

(45)
Battery, Starter, & Alternator, Car Repair, Cooling System
“I have a 12 year old vehicle with more than 130,000 miles - Kirkwood Auto is helping it continue to run smoothly Positive Professionalism Services General repairs & maintenance, Oil change”
ASE Certified
Family Business
Accepts All Major Credit Cards
In Business Since 1982
4913 Kirkwood Hwy, Wilmington, DE
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Durkee Automotive Inc

Durkee Automotive Inc

(50)
“Amazing job and everything they do very professional they will fix things in your car that you thought couldn't be fixed I would recommend them to everybody”
BBB Rating: BBB Rating: A+
Coupons & Offers
Accepts All Major Credit Cards
In Business Since 1995
Serving New Castle Area
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Delaware Tire Centers

Delaware Tire Centers

(40)
“I would like to express our sincere gratitude to the Delaware Tier Center, Newark TEAM, for their swift response and assistance in getting our vehicle towed, repaired, and returned in less than 24hrs!”
BBB Rating: BBB Rating: A+
Coupons & Offers
Accepts All Major Credit Cards
Family Business
Serving New Castle Area
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Rick's Auto Repair

Rick's Auto Repair

(46)
Wheel Alignment, German Auto Repair
“10/10 Positive Punctuality, Quality, Professionalism, Value Services Electrical repair, Exhaust, Tires, General repairs & maintenance, Electrical, Auto engine diagnostic, Auto engine tuning, Auto detailing, Wheel alignment, Brakes, A/C installation &...”
Accepts All Major Credit Cards
Family Business
Coupons & Offers
In Business Since 1995
Serving New Castle Area
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DS Diesall

DS Diesall

(50)
  • Vehicle
  • Quality
  • Mechanics
“My Duramax was having a charging issue on a Wednesday I called them they got me right in diagnosed the issue Thursday and had my part in and on by Friday at 1 pm and on my way home !”
Accepts All Major Credit Cards
Free Initial Consultation
In Business Since 2018
Serving New Castle Area
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RB Tire & Auto Center

RB Tire & Auto Center

(48)
  • Tires
  • Pressure
  • Morning
“Was having the worst week, started with storm back home, trees down in our yard, no electricity and 8 hour road trip to attend a dear friend's dad funeral and on our way to the church realized one tire was going flat quickly.”
Offers Financing Options
Coupons & Offers
In Business Since 2012
Serving New Castle Area
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HomeTransmission Fluid Change & FlushDelawareNew Castle, DE

Transmission Maintenance Services in New Castle, DE Cost Estimates

Minimum cost
$80
Maximum cost
$250
National Average
$150
$100
$190
Average price range is based on 377 cost profiles
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Average Cost $150
Minimum cost $80
Maximum cost $250

Average range $100 to $190 is based on 377 cost profiles.

Why these companies made our list

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FAQ

Which shops listed for New Castle have Saturday hours?

Saturday opening is listed for 4 of the 24 shops. This is planned maintenance rather than a breakdown, so a Saturday slot suits it well and the car is usually back to you the same morning.

Transmission Fluid Change & Flush near New Castle

Popular in New Castle

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