2018 GMC Sierra 1500 differential price snapshot
- Low
- $500
- Average
- $750
- High
- $1,000
Year-specific price guide
Used 2018 GMC Sierra 1500 Differential prices
Year-specific used differential pricing for the 2018 GMC Sierra 1500, built from real salvage yard and junkyard listings with condition grade and fitment detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
SK
Saurabh Kumar
Co-Founder & CTO, Part Price Guide
Built the pricing pipeline that collects and normalizes used OEM part listings from salvage yards and online marketplaces across the US.
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedSep 3, 2026AS
Ambika Sharma
Co-Founder & COO, Part Price Guide
12 years of project management and technical operations experience. Reviews price guides for sample size, fitment accuracy, and data freshness.
Part overview
About the 2018 GMC Sierra 1500 differential
A used 2018 GMC Sierra 1500 differential costs between $500 and $1,000, with a median of $1,000 from 4 salvage yard listings.
What the differential does, common failure signs, and prices across all vehicles: used differential price guide →
Also known asDiffRear DiffRear DifferentialFront DifferentialRear End
Price summary
A used 2018 GMC Sierra 1500 differential costs $500 to $1,000, with a median asking price of $1,000. Based on 4 priced salvage yard listings across the US, updated Sep 3, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$500
Grade B (good)$1,000
USD
Condition comparison
Price by part grade
Grade AClean / low wear$500–$5002 listings
Grade BStandard used$1,000–$1,0002 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $500–$500 | 2 | |
| Grade BStandard used | $1,000–$1,000 | 2 |
Median by grade
Grade price comparison
Grade A$500
Grade B$1,000
Median asking price by seller-reported condition grade · $500–$1,000 overall range
Replacement cost
What is the 2018 GMC Sierra 1500 differential replacement cost?
- Used part
- $1,000
- 2018 GMC Sierra 1500 median asking price
- Labor
- $190–$750
- 2–5 hours at $95–$150/hr
- Estimated total
- $1,190–$1,750
- median used part + labor
Labor is a typical independent-shop range for differential replacement, not a quote for your vehicle; it does not include gear oil and replacement seals. The part price is the live median from the salvage-yard listings on this page. How we price
Fitment matters
Price by trim & variant
Non-Interchange search using GMC Truck-Sierra 1500 (1999 Up) and similar models2 listings$1,000$500 – $1,000
Year-specific context
How does the 2018 GMC Sierra 1500 compare?
The 2018 guide is based on 4 observed listings, including 4 with posted prices. Its $1,000 median is 0% above the GMC Sierra 1500 guide's $1,000 median.
Among the 1 model years with current price data, 2018 ranks #1 from lowest to highest median.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Compare model years
What does a GMC Sierra 1500 differential cost in other years?
Keep browsing this vehicle
What other GMC Sierra 1500 parts are priced?
01wide ±136%
AC Compressor
$150median
$40$447
02wide ±91%
ABS Module
$201median
$85$450
03wide ±242%
Air Bag
$240median
$40$1,200
04wide ±133%
Alternator
$135median
$35$395
05wide ±129%
Axle Shaft
$162median
$50$468
06wide ±149%
Blower Motor
$85median
$40$294
07wide ±120%
Brake Caliper
$75median
$35$215
08wide ±193%
Rear Bumper Assembly
$644median
$140$2,625
09wide ±148%
Front Bumper
$250median
$79$819
10wide ±170%
Rear Bumper
$500median
$97$1,795
11wide ±173%
Car Radio
$147median
$34$544
12wide ±293%
Center Console
$203median
$35$1,225
13wide ±72%
AC Condenser
$195median
$40$321
14wide ±99%
Control Arm
$145median
$40$327
15wide ±112%
Door Assembly
$716median
$180$1,785
16wide ±167%
Drive Shaft
$243median
$65$878
17wide ±138%
Engine
$4,175median
$1,250$12,735
18wide ±150%
Engine Computer
$137median
$30$440
19wide ±270%
Exhaust Manifold
$71median
$25$408
20wide ±88%
Fender
$504median
$160$1,050
21wide ±123%
Fog Light
$163median
$35$435
22wide ±185%
Front Seat
$247median
$60$975
23wide ±246%
Fuel Pump
$135median
$34$699
24wide ±108%
Fuel Tank
$195median
$55$478
25wide ±102%
Grille
$475median
$150$1,115
26wide ±69%
Headlight Assembly
$875median
$318$1,520
27wide ±155%
Heater Core
$116median
$40$400
28spread ±57%
Hood
$791median
$375$1,275
29wide ±152%
Ignition Switch
$99median
$25$325
30
Instrument Cluster
Price data updating
31wide ±232%
Intake Manifold
$120median
$34$591
32wide ±250%
Master Cylinder
$56median
$25$305
33wide ±190%
Side Mirror
$255median
$55$1,025
34wide ±153%
Power Steering Pump
$136median
$35$450
35wide ±76%
Quarter Panel
$636median
$216$1,185
36wide ±134%
Radiator
$200median
$60$595
37wide ±265%
Rear View Mirror
$100median
$20$550
38wide ±154%
Starter
$89median
$30$305
39wide ±112%
Steering Column
$201median
$50$500
40wide ±115%
Steering Rack
$625median
$217$1,650
41wide ±180%
Steering Wheel
$190median
$40$725
42wide ±129%
Strut
$155median
$50$450
43wide ±153%
Sunroof
$389median
$126$1,320
44wide ±130%
Tail Light
$325median
$53$900
45wide ±239%
Tailgate
$800median
$178$3,995
46wide ±227%
Throttle Body
$77median
$25$375
47spread ±40%
Torque Converter
$450median
$142$500
48wide ±235%
Transfer Case
$378median
$67$1,845
49wide ±75%
Transmission
$2,595median
$1,295$5,204
50wide ±214%
Transmission Control Module
$125median
$25$560
51wide ±138%
Turbocharger
$675median
$190$2,054
52wide ±171%
Water Pump
$85median
$25$315
53wide ±210%
Wheels
$260median
$60$1,150
54wide ±127%
Window Regulator
$150median
$30$410
Common questions
2018 GMC Sierra 1500 differential FAQ
How much is a used 2018 GMC Sierra 1500 differential?
Based on 4 priced salvage-yard listings, a used 2018 GMC Sierra 1500 differential lists between $500 and $1,000, with a median asking price of $1,000.
How much does it cost to replace a 2018 GMC Sierra 1500 differential?
Using a used part, a 2018 GMC Sierra 1500 differential replacement typically runs $1,190–$1,750 all-in: the median used differential for this year lists at $1,000, and independent-shop labor for differential replacement typically takes 2–5 hours at $95–$150/hr ($190–$750). The labor figure does not include gear oil and replacement seals. Labor is a national part-level estimate, not a quote for your vehicle.
Will a 2018 GMC Sierra 1500 differential fit another year?
This price guide does not confirm interchangeability. Check the seller's part number, drivetrain, trim or variant, and your VIN before buying; parts from the same model can use different fitments in the same year.
How much is a 2018 GMC Sierra 1500 diff?
A diff is another name for a differential. The prices on this page cover the 2018 GMC Sierra 1500 differential — median $1,000, from 4 listings.