• 1969 Dunbier Mechanical Disc Caliper Mounting Bolt Sleeve | Marine Trailer Part
1 1

1969 Dunbier Mechanical Disc Caliper Mounting Bolt Sleeve | Marine Trailer Part

1969 Dunbier Mechanical Disc Caliper Mounting Bolt Sleeve | Marine Trailer Part

$8.00 AUD
$8.00 AUD
Sale Sold out
Shipping calculated at checkout.

✓ Authorised Volvo Penta Dealer · Marine & auto specialists · Ships Australia-wide

🔧 Product Description

Dunbier Mechanical-Caliper Mounting Bolt Sleeve – Single – Part Number: 1969

A single replacement sleeve for the mounting bolt used in compatible Dunbier mechanical disc-brake calipers. The sleeve provides the correct spacing and bearing surface through the caliper or bracket, allowing controlled movement without the mounting bolt crushing or distorting the assembly.

⚙️ Key Features

  • Single caliper mounting-bolt sleeve
  • Maintains correct caliper spacing
  • Provides a smooth sliding or pivot surface
  • Suits compatible Dunbier mechanical disc brakes
  • Replacement for worn or corroded original hardware

📏 Specifications

  • Quantity: 1 sleeve
  • Application: Dunbier mechanical caliper mounting hardware
  • Length, bore and outside diameter must match the original

🔄 Cross Reference & Related Parts

  • Dunbier: 1969
  • Pair pack: Dunbier 1969P / Mackay H3091
  • Mechanical caliper: Dunbier 1971 / Mackay H3260G
  • Caliper mount: Dunbier 1970 / Mackay H3261K

🚤 Trailer Compatibility & Application

  • Suitable for the mechanical caliper assembly using the matching shoulder/sleeve arrangement
  • Not a universal spacer for hydraulic calipers
  • Inspect the mounting bolt and bracket bore at the same time

🔌 Function

Maintains the designed clearance and alignment between the mechanical caliper, mounting bolt and bracket.

⚠️ Common Signs of Failure

  • Sleeve is grooved, oval or seized
  • Caliper movement is loose or restricted
  • Mounting bolt is worn where it passes through the sleeve
  • Uneven pad contact or caliper alignment
  • Corrosion prevents removal

🛠️ Installation & Safety

  • Support the caliper before removing the mounting bolt
  • Compare the new sleeve with the original dimensions
  • Replace worn bolts and nuts
  • Lubricate only where specified and keep lubricant off pads and disc
  • Confirm caliper movement and bolt torque after assembly

📦 Condition

  • Brand new Dunbier Marine Products trailer component
  • Supplied as one mechanical-caliper mounting bolt sleeve
  • Supplied in original or equivalent packaging

Shipping & Delivery

Flat-rate shipping Australia-wide — $14.99 per order, no matter how many parts you add. Orders dispatch from our Kadina, South Australia store. Need it urgently or want to collect in person? Call us on 0412 532 984 before ordering.

Returns & Warranty

14-day change-of-mind returns — if it's not right or you ordered the wrong part, send it back within 14 days in new, unused condition for a refund or exchange. Manufacturer warranties apply to new parts. Full details in our Refunds & Returns policy.

Not sure this fits?

Ask us before you buy — we check part numbers and fitment every day. Call 0412 532 984 (Mon–Fri 8.30am–4.30pm) or message us through the contact page with your engine or vehicle details.

View full details