11709538 Volvo Backhoe ExTension Cylinder Seal Kit – Fits BL60, BL61, BL70, BL71

$49.99

Volvo backhoe extension cylinder leaking or sluggish? 11709538 is the 40x70mm seal kit that fits BL60, BL61, BL70, and BL71 series. I-UB-10 spec. Full set. Check serial ranges before ordering.

Category: Volvo

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11709538 – Volvo ExTension Cylinder Seal Kit — One Part, Broad Coverage

This seal kit is confirmed to fit the extension cylinder on multiple Volvo backhoe models: BL60, BL61, BL70, BL71, and their Plus variants.

Verified Spec: 40mm rod × 70mm bore, I-UB-10 seal profile.

Serial Number Quick Check:

BL60: 10001–11315
BL61: 10001–11458
BL70: 10001 and after

What You Get: Full rebuild set — rod seals, piston seals, O-rings, wipers, backup rings. Everything for one extension cylinder.

Note: This cylinder is what gives the backhoe its extra reach — separate from the dipper or boom cylinders. Verify your machine’s serial and cylinder type before ordering.