Brand: 
2-0520 OSR U-Joint Hyndai APP 1.062 x 3.149 OE 49140 4AA000 27x80mm GUK12 – UDS Brand.
$10.84
27 in stock
Description
2-0520U universal joint, GUK12 series, 1.062″ cap diameter x 3.149″ cross width, greaseable design.
Full Description
Selecting the correct universal joint requires matching three critical dimensions: series, cap diameter, and cross width. The 2-0520U checks all three for GUK12 series driveshafts: 1.062" caps and 3.149" overall width. This guide walks through the specifications and installation considerations for this joint.
Series and Cap Diameter Explained
The GUK12 series designation defines the torque capacity tier for this joint. At 1.062", the bearing cap diameter governs the contact area between cross trunnion and needle bearings -- a direct indicator of load capacity. Larger cap diameters handle greater torsional loads and are typically found on heavier trucks and industrial equipment. The 2-0520U is sized for GUK12 series yokes and should not be substituted with a different cap diameter even if the overall cross width appears similar.
Full Specifications
| Spec | Value |
|---|---|
| SKU | 2-0520U |
| Series | GUK12 |
| Mounting Style | OSR |
| Bearing Cap Dia. | 1.062 in. |
| Cross Width | 3.149 in. |
| Lubrication | Greaseable -- zerk port provided |
| Notes | Hyundai APP |
Material and Heat Treatment
Universal joint crosses for driveshaft use are manufactured from case-hardened alloy steel. The hardened surface resists abrasion from needle bearings while the tough core absorbs shock loads. The 2-0520U cross meets this standard, with a surface hardness that supports the full torque rating of the GUK12 series.
Step-by-Step Replacement
- Remove driveshaft: unplug from transmission slip yoke and companion flange
- Use a 2-jaw puller or press to extract old bearing cups from yoke ears
- Deburr and clean all four yoke bores
- Install 2-0520U cross: start two opposing cups, then complete the remaining pair
- Press each cup to snap ring depth without damaging needle bearings
- Verify smooth articulation through at least 30 degrees in all planes
Stocking Information
The 2-0520U is a catalog stocking item at Universal Driveshafts. Same-day dispatch is available for orders placed before the daily cutoff. We also carry the matching yokes, slip yokes, and flanges for complete GUK12 series driveshaft builds.
New to U-joints? See our universal joint guide for styles, snap-ring types, and measuring tips.
Additional information
| Series | GUK12 |
|---|---|
| Style | OSR |
| Cap dia 1 | 1.062 |
| Width 1 | 3.149 |
| Lube | Yes |
| Brand | UDS |
| Partn number | 2-0520 |
| Notes | Hyundai APP |
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