Order Now, Pay Later with Affirm Logo Prequalify Now

  • Fuller Transmission Countershaft Kit - Full kit
  • Fuller Transmission Countershaft Kit - Shaft only

Fuller Transmission Countershaft Kit K-3264 3948509 3088-K3264 4303123

$284.95

Order Now, Pay Later with Affirm Logo Learn more
SKU:
103240
In Stock!* In Store pick-up must be scheduled
SKU:
103240

Description

Fuller Transmission Countershaft Kit K-3264 3948509 3088-K3264 4303123

*Please Verify OEM Number Before Purchase

Upgrade your Fuller 12210 & 15210 transmission with this durable countershaft kit. Direct aftermarket replacement with premium components. Order today!

  • Transmission Countershaft Kit
  • Fits The Following Fuller Models
    • 12210 Series
    • 15210 Series
  • Direct Aftermarket Replacement for OEM #s:
    • K-3264
    • 3948509
    • 3088-K3264
  • Kit Includes:
    • Countershaft (4303123)
    • Bearing Retainer (4304024)
    • Screw (419GC113B)
  • Sold As A Kit

Restore smooth and efficient power transfer with this high-quality transmission countershaft kit, designed for Fuller 12210 and 15210 series transmissions. Engineered for durability and precision, this kit serves as a direct aftermarket replacement for OEM part numbers K-3264, 3948509, and 3088-K3264. Made from premium materials to withstand heavy-duty applications, it ensures optimal gear performance and longevity. The kit includes a countershaft (4303123), bearing retainer (4304024), and screw (419GC113B) for a complete, hassle-free installation.

If you should need additional Truck Parts and Accessories, please don't hesitate to call our toll-free number 1-888-888-7990

Any mention of OEM names or OEM product ID numbers/descriptions/model numbers is intended for identification purposes only and does not indicate that it is an OEM part.

View AllClose

Warranty Information

PAI Industries Warranty Policy

Manufacturer warranties this product against defects in material or workmanship for a period of two years (2 yrs.) from the original date of purchase of the product by a consumer.

View AllClose

Additional Information

netsuite_category:
All Replacement Parts : Other Replacement Parts
View AllClose

Reviews

We're currently collecting product reviews for this item. In the meantime, here are some company reviews from our past customers sharing their overall shopping experience.

  • 5
    128K+ (78%)
  • 4
    27K+ (17%)
  • 3
    6810 (4%)
  • 2
    744 (0%)
  • 1
    965 (1%)
95% of customers rate this company 4- or 5-stars
Newest to Oldest
  • Highest to Lowest
  • Newest to Oldest
  • Favorite Reviews
All Ratings
  • All Ratings
  • 5 ★ Reviews
  • 4 ★ Reviews
  • 3 ★ Reviews
  • 2 ★ Reviews
  • 1 ★ Reviews
Daniel D. Verified Customer   
03-21-25

Easy to navigate website, great prices

Willie H. Verified Customer   
03-21-25
KELLY A. Verified Customer   
03-21-25
View AllClose

Questions & Answers

Live Chat
Rewards
$284.95