Length: 2,380 mm
Specification: DN10;1SN-6;15.7Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封

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Diagram Pipe No. 44

119-2363

Installation route: 电磁阀(分配阀后下)~

Length: 1,700 mm
Specification: DN10;-6;10.3Mpa
Left fitting: 65°美制内螺纹37°锥
Right fitting: 美制内螺纹37°锥

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Diagram Pipe No. 46

119-2362

Installation route: 电磁阀(分配阀后下)~

Length: 1,950 mm
Specification: DN10;-6;10.3Mpa
Left fitting: 65°美制内螺纹37°锥
Right fitting: 美制内螺纹37°锥

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Diagram Pipe No. 45

124-1105

Installation route: 电磁阀(分配阀后下)~

Length: 1,900 mm
Specification: DN10;-6;10.3Mpa
Left fitting: 65°美制内螺纹37°锥
Right fitting: 美制内螺纹37°锥

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Diagram Pipe No. 90

127-3872

Installation route: 蓄能器电磁阀(液压油箱后)~液压油过滤器

Length: 480 mm
Specification: DN10;1SN-6;10.4Mpa
Left fitting: 美制内螺纹37°锥
Right fitting: 90°美制内螺纹37°锥

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Diagram Pipe No. 63

4I-6495

Installation route: 电磁阀(分配阀后下)~

Length: 1,600 mm
Specification: DN10;-6;10.3Mpa
Left fitting: 90°美制内螺纹37°锥
Right fitting: 美制内螺纹37°锥

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Diagram Pipe No. 9

203-0053

Installation route: 电磁阀(驾驶室)~过渡阀块(回转接头左)

Length: 1,210 mm
Specification: DN10;1SN-6;15.7Mpa
Left fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封
Right fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 69

4I-7675

Installation route: 电磁阀(分配阀后下)~控制阀(分配阀前右)

Length: 800 mm
Specification: DN10;-6;10.3Mpa
Left fitting: 90°美制内螺纹37°锥
Right fitting: 美制内螺纹37°锥

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Diagram Pipe No. 69

165-4328

Installation route: 电磁阀(分配阀后下)~控制阀(分配阀前右)

Length: 400 mm
Specification: DN10;1SN-6;15.7Mpa
Left fitting: 美制内螺纹37°锥
Right fitting: 90°美制内螺纹37°锥

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Based on current published data

Common Repair Questions

Questions appear only when a published record or linked PDF page provides the answer.

How many hoses are currently listed for Caterpillar CAT®312B L Solenoid Valve?

There are 2 published records. 2 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Caterpillar CAT®312B L Solenoid Valve?

Based on published records with valid lengths, the range is 500–3,200 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Caterpillar CAT®312B L Solenoid Valve?

The most frequent raw specifications in the current published records are: DN10;-6;10.3Mpa (2 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Caterpillar CAT®312B L Solenoid Valve?

Each record keeps the left and right fitting descriptions separate. Current examples: 7I-0178: left 美制内螺纹37°锥; right 美制内螺纹37°锥; 4I-1404: left 美制内螺纹37°锥; right 美制内螺纹37°锥. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Caterpillar CAT®312B L Solenoid Valve hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 2 (7I-0178), Pipe No. 1 (4I-1404). Open a record to compare its installation position with the linked manual page.