The Eaton Fuller K-3740 or K3740 external transmission oil cooler kit is a complete heat exchanger package for manual transmissions. The kit includes a heat exchanger (5586672), two oil hose assemblies (5588114 at 24.5 and 5588123 at 15.0), two 90-degree 1/2 x 7/8 elbows (4301123), a mounting strap (21425), two hex-head washer assembly screws, and the L-2005-18 instruction letter. Assembled cooler dimensions are 5.25 in. high by 11.5 in. wide by 17 in. long. Cross-references include 3088-K3740, FUL K3740 and HFK-3740. Call us to confirm proper fit for your application.
21425 - Strap - qty 1
4301123 - Elbow, 90 deg, 1/2 x 7/8 - qty 2
5586672 - Heat Exchanger - qty 1
5588114 - Hose Assembly, Oil (24.5) - qty 1
5588123 - Hose Assembly, Oil (15.0) - qty 1
L-2005-18 - Instruction Letter - qty 1
X-8C-1038M - Screw, Hex Hd/Washer Assy - qty 1
X-8C-1039M - Screw, Hex Hd/Washer Assy - qty 1
Features
Heat exchanger (part 5586672) for external manual transmission oil cooling
Two oil hose assemblies: 5588114 (24.5) and 5588123 (15.0)
Two 90-degree elbows, 1/2 x 7/8 (part 4301123)
Mounting strap (21425) and two hex-head washer assembly screws
Includes L-2005-18 instruction letter
Assembled dimensions: 5.25 in. H x 11.5 in. W x 17 in. L
Cross-references: 3088-K3740, FUL K3740, HFK-3740
Tech Specs
- Part type: External Transmission Oil Cooler Kit (Heat Exchanger)
- Application: Manual transmission
- Height: 5.25 in.
- Width: 11.5 in.
- Length: 17 in.
- Cross Reference: 3088-K3740, 3088K3740, FUL K3740, FULK3740, K-3740, K3740, HFK-3740
Additional Information
Kit contents (Eaton Roadranger BOM for K-3740):21425 - Strap - qty 1
4301123 - Elbow, 90 deg, 1/2 x 7/8 - qty 2
5586672 - Heat Exchanger - qty 1
5588114 - Hose Assembly, Oil (24.5) - qty 1
5588123 - Hose Assembly, Oil (15.0) - qty 1
L-2005-18 - Instruction Letter - qty 1
X-8C-1038M - Screw, Hex Hd/Washer Assy - qty 1
X-8C-1039M - Screw, Hex Hd/Washer Assy - qty 1
