Choosing the right hydraulic hose fitting usually comes down to three questions: What hose size are you working with? What thread angle and seal style does your system use? And do you need a straight connector or an elbow to route the hose cleanly? These four packs cover exactly those decision points, from the smallest elbow sets to the largest straight swivel pack.
Quick take: If you need a large batch of straight female swivel ends for 3/8" -6 hose, the Koman set is the quantity play. If your line is a 1/4" hose with an M16X1.5 metric 24° cone seal, the Parker set is your match. If you want a simple elbow adapter from 3/8" JIC male to #8 SAE/ORB male, the Racewill elbow is the direct adapter to reach for. And if you need female 90° ends for 3/8" I.D. hose, the JIC 37° elbow pack fills the niche.
Listed price comparison
| Product | Listed price | Price bar |
|---|---|---|
| 5Pack 90 Degree Elbow Hydraulic Fittings: 3/8" JIC 37° Male x #8 SAE/ORB Male | USD 18.99 | |
| 10 Pack 3/8" JIC 37° Female 90° Elbow Hydraulic Hose Fittings For 3/8" I.D. Hose | USD 32.49 | |
| 20-Pack Koman Hydraulic Hose Fittings - 6-6FJX Straight Female JIC 37° Swivel | USD 79.98 | |
| 6 Pack Genuine Parker Hydraulic Hose Fittings 1CA43-10-4 1/4" Hose X M16X1.5 | USD 90.00 |
Decision matrix
| Need | Pick | Why it fits |
|---|---|---|
| Female 90° ends for 3/8" I.D. hose | 10-Pack 3/8" JIC 37° Female 90° Elbow | Carbon-steel elbows sized for 3/8" I.D. hose |
| Straight female JIC swivel, large batch | 20-Pack Koman 6-6FJX | Swivel-end female fitting with 9/16"-18 threads for -6 hose |
| 1/4" hose with M16X1.5 24° cone seal | 6 Pack Parker 1CA43-10-4 | 43-series fitting with 1/4" hose ID and metric thread |
| 3/8" JIC male to #8 SAE/ORB male adapter | 5Pack Racewill 90 Degree Elbow | JIC-to-ORB elbow adapter with protection covers |
Product notes
10-Pack 3/8" JIC 37° Female 90° Elbow

These fittings are aimed at a specific job: a 90° end for 3/8" I.D. hydraulic hose. The 37° JIC female connection is meant to seat against a male JIC flare, and the set is compatible with Weatherhead, Dayco, or adjustable crimpers, interchanging with the Weatherhead U-Series. At $32.49 for ten, this gives you a working stock of elbows in one purchase. The trade-off is direction: it's an elbow, not a straight connector, and the open side is female. If your assembly needs male JIC threads or a straight path, another configuration will be needed.
20-Pack Koman 6-6FJX Straight Female JIC 37° Swivel

The Koman 6-6FJX is a straight, swivel-end female JIC 37° fitting with 9/16"-18 threads, which corresponds to JIC size 6 and fits -6 (3/8") hose. The 20-pack is the largest quantity in this comparison, listed at $79.98, and the steel fittings are precision-machined for a leak-free 37° flare. It's a practical choice when you need many straight connections on a 3/8" line. The condition is listed as new open-box, and the configuration is straight only, so if your routing requires a 90° bend, you'll need to add an elbow adapter.
6 Pack Genuine Parker 1CA43-10-4

The Parker set steps outside the 3/8" family: each fitting is a 43-series 1CA43-10-4 with a 1/4" hose ID and an M16X1.5 metric thread, sealed through a 24° cone with an O-ring. That makes it the right pick when your system already uses metric swivel ends and 1/4" hose. The six fittings are listed at $90, the highest listed price in this group. Before choosing, confirm your hose bore and port thread match: the smaller 1/4" ID means these won't connect to the 3/8" hoses used by the other three packs.
5Pack Racewill 90 Degree Elbow: 3/8" JIC 37° Male x #8 SAE/ORB Male

The Racewill 5-pack is an elbow adapter that goes from 3/8" JIC 37° male to #8 SAE/ORB male, which corresponds to 1/2" ORB. The 90° design is meant to reduce pipe stress and improve routing flexibility, and each fitting ships with a protection cover. At $18.99 for five, this is the lowest listed price in the group, making it a simple way to keep a few adapters on hand. The limit is the pack size and the specific thread transition: it won't work as a straight or female fitting.
Final recommendation by use case
For a large run of straight 3/8" female swivel fittings, the 20-pack Koman is the most complete way to stock up. For a small, specific 90° adapter between JIC and ORB threads, the Racewill 5-pack gets the job done at the lowest listed price. For female 90° ends on 3/8" I.D. hose, the 10-pack offers a balanced quantity. And when your connection is a metric-cone 1/4" hose, the Parker 6-pack is the one to match.