SKU: 81917788928
drivetrain gears

drivetrain gears A40178-1-529 Gearset | Meritor-Rockwell-Axletech

Sale price$22.45 Regular price$24.95
Save 10%

Pay in installments of $6.24 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 30 - Aug 4

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

drivetrain gears A40178-1-529 Gearset | Meritor-Rockwell-AxletechA40178 1 Meritor Rockwell AxleTech SSHD F 44K GAWR Gearset 5. 29 Ratio (37 7) New Aftermarket Italian New aftermarket ring & pinion gearset A40178 1 (also A40178 1F) for Meritor Rockwell AxleTech SSHD F and 44K GAWR (44,000 lb) forward rear axles. 5. 29 ratio (37 7 teeth), 2. 620" 26 spline. Precision machined by Global Drivetrain (Italy) to high quality standards as a cost effective replacement. New and ready to ship from Discount Parts Exchange

A40178-1 | Meritor-Rockwell-AxleTech SSHD-F / 44K GAWR Gearset | 5.29 Ratio (37/7) | New Aftermarket - Italian

New aftermarket ring & pinion gearset A40178-1 (also A40178-1F) for Meritor-Rockwell-AxleTech SSHD-F and 44K GAWR (44,000 lb) forward rear axles. 5.29 ratio (37/7 teeth), 2.620" – 26 spline. Precision-machined by Global Drivetrain (Italy) to high-quality standards as a cost-effective replacement. New and ready to ship from Discount Parts Exchange (DPX), Mansfield, Ohio.

Call for pricing & availability: 419-522-3320.

Specs & Features

  • Part Number: A40178-1 (also A40178-1F)
  • Manufacturer: Global Drivetrain (Italy) – Aftermarket
  • Type: Ring & Pinion Gearset
  • Gear Ratio: 5.29
  • Tooth Count: 37 ring / 7 pinion
  • Ring Gear: 40178
  • Pinion: 41495
  • Pinion Spline: 2.620" – 26 spline
  • Condition: New Aftermarket
  • Application: Meritor-Rockwell-AxleTech SSHD-F and 44K GAWR (44,000 lb) forward rear differentials

What’s Included

  • (1) Ring Gear — 40178
  • (1) Pinion — 41495
  • No hardware or pinion nut included

Fitment Notes

  • Compatible with Meritor-Rockwell-AxleTech SSHD-F and 44K GAWR (44,000 lb) forward rear axle configurations
  • Verify spline size (2.620"–26) and ratio/tooth count before installation

DPX Drivetrain Tools Hub

Free tools built by rebuilders for truckers and fleets — Road Speed & Ratio Calculator, PTO shimming procedures, gear ratio comparison charts, and our full IPL library for instant parts identification.
Open DPX Drivetrain Tools Hub →

Image Disclaimer

Photos show the actual part in inventory. Minor storage marks possible on surplus/NOS items.

Warranty Policy

Sold as-is; no warranty or returns. Please verify fitment before purchasing. Discount Parts Exchange (DPX) – trusted since 1997.

Shipping / Location

  • Ships from our Mansfield, Ohio warehouse (419-522-3320)
  • Parcel or LTL options available based on packaging and weight
  • Warehouse Bin Location: DPX_OH_BR549_MRA

Ohio’s Premier Heavy-Duty Drivetrain Rebuilder — Built to Perform. Trusted to Last. Discount Parts Exchange (DPX).

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 81917788928

Discover Niche Categories That Outsell drivetrain gears

Top-Converting Item to Boost Your Average Order

4.5 ★★★★★
Based on 23 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
B
Verified Purchase
bin
Birmingham, US
★★★★★ 5
Perfect Fit and Great Quality
Style: CF12552 Classic
The thickness is just right and fits perfectly. Easy to install, good airflow, and the air feels much cleaner after replacing the old filter. Great value for the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
S
Verified Purchase
Steph
San Leandro, US
★★★★★ 5
Easy to install
Style: CF10374 Classic
The frame is made of hard plastic (color black) which fits perfectly in the air cabin filter system of a Toyota Tacoma 2006 V6. It holds it's shap quite well. The carbon filter is able to be seen and works so far. The quality seems good and the thickness of the filter is well made with a foam outter film that makes it fit my Tacoma very well. I'm happy with it. The ease of installation is good and it is well worth the money.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 9, 2026
K
Verified Purchase
Kindle Customer
Cuba, US
★★★★★ 5
Filter quality and value
Style: CF11809 Classic
2nd time to purchase this item over a 5 year period. The filter has a rigid frame making last much longer than other paper filters. Perfect fit and worth the cost. Great job filtering cabin and neutralizing odors!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 19, 2026
D
Verified Purchase
Donte Davis
Omaha, US
★★★★★ 5
Simple Upgrade That Makes a Real Difference
Style: CF10140 Classic
Installed the Zezut cabin filter in my 2005 Infiniti G35 and noticed the difference immediately. The air inside the car felt fresher and cleaner right away — no more stale air circulating through the vents. The HEPA backing is a big deal, knowing it's actually filtering out dust, pollen, and particles rather than just being a basic filter gives you real peace of mind. The quality feels solid and well made. Installation was super easy, took just a few minutes with no tools needed. For the price this is one of those simple maintenance upgrades that's absolutely worth doing. Your lungs will thank you. Great price and affordable, top choice for replacement in my opinion.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 27, 2026
A
Verified Purchase
Andy...
Phoenix, US
★★★★★ 4
Good filter.
Great filter works well .
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026

recommand products