Identify replacement components for Lippert 2.5 × 2.5-inch electric through-frame RV slide-outs. This is a rack-and-pinion through-frame system, not a Schwintek in-wall slide-out. Confirm the rail dimensions, drive type, rack tooth count and actuator model before selecting a replacement.

Actual Lippert exploded drawings and parts callouts

Lippert factory 2.5 x 2.5 electric through-frame slide-out gear pack and wear components with callouts A through J
Lippert 2.5×2.5 gear packs, spur gears and wear components, CCD-0002574. Includes standard and heavy-duty alternatives.
Lippert factory 2.5 x 2.5 electric through-frame center-drive slide-out schematic showing drive motor, gear packs and rails
Lippert 2.5×2.5 center-drive assembly; check whether your installation uses this layout or the actuator drive.

Use the original manufacturer's illustrated sheets for physical parts orientation and callout letters. Match the physical layout and part numbers to Lippert's original illustrated sheets before ordering.

Lippert's illustrated gear-pack sheet uses callouts A–J. Motors, actuators and switches are covered in separate model-specific component references. Use the factory callouts to identify your original gear pack, then check the actuator and drive references for your configuration.

System identification diagram — functional groups

Use this overview to locate the drive, gearing and support parts on your slide-out.

1. Drive source

Actuator motor or center-drive motor

Klauber D-300, Venture 18:1 and Venture 28:1 are distinct configurations. Identify gearbox marking before shopping.

2. Synchronized travel

Cross-shaft and rack-drive arms

The cross-shaft transfers motion; both sides must use the correct rack tooth form and arm assembly.

3. Rack interface

Gear pack and spur gear

Standard 324869 and heavy-duty 123356 packs differ. Gear 122739 has a separate 18-tooth profile.

4. Support and limits

Roller, shaft, wear tab and stop can

Select rear-roller or wear-tab configuration from the factory drawing, not just the rail dimensions.

5. User controls

Switch, harness and manual override

Switch and actuator connections depend on the original drive and wiring generation.

Gear-pack compatibility: 15-tooth versus 18-tooth

Lippert lists 324869 as the standard 2.5 × 2.5 gear-pack assembly and 123356 as the heavy-duty assembly; both currently include a 15-tooth gear. Some older installations require a separate 18-tooth gear (122739, 12 DP / 14.5° pressure angle). Do not swap a 15-tooth and 18-tooth configuration, or a standard and heavy-duty pack, without matching the original rails, gear specifications and manufacturer parts list.

Shop 2.5 × 2.5 slide-out parts by part number

Factory part reference A

324869 — Standard 2.5 × 2.5 gear-pack assembly

Catalog photograph for 324869 Standard 2.5 × 2.5 gear-pack assembly

Standard gear-pack assembly with 15-tooth gear. Confirm the installed rack and original drive configuration before selecting.

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Factory part reference E

122739 — 18-tooth replacement spur gear

Catalog photograph for 122739 18-tooth replacement spur gear

18 teeth, 12 DP / 14.5° pressure angle. The factory requires a specific gear-pack replacement procedure; not a drop-in replacement for a 15-tooth gear.

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Factory part reference F

277882 — Wear tab for non-roller assembly

Catalog photograph for 277882 Wear tab for non-roller assembly

Factory identifies this wear tab for certain inner-arm configurations without a rear roller.

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Factory part reference G

103480 — Wear-tab / pad revision

Catalog photograph for 103480 Wear-tab / pad revision

Compare the original/current wear-tab designs with the factory illustration before replacing.

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Factory part reference H

122840 — Slide-out stop can

Catalog photograph for 122840 Slide-out stop can

Steel stop can used at the appropriate travel-stop location. Match the exact system.

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Factory part reference Drive

138449 — Klauber D-300 drive motor

Catalog photograph for 138449 Klauber D-300 drive motor

Manufacturer's older component list identifies this as a D-300 motor. Do not select only by voltage.

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Factory part reference Drive

132682 — Venture 18:1 actuator motor

Catalog photograph for 132682 Venture 18:1 actuator motor

18:1 motor-only reference. Check the original actuator gearbox and mounting-bolt configuration.

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Factory part reference Drive

136373 — Venture 28:1 actuator motor

Catalog photograph for 136373 Venture 28:1 actuator motor

Separate 28:1 motor model; it is not interchangeable with an 18:1 motor by appearance.

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Factory part reference Actuator

145595 — Venture 40-inch actuator body

Catalog photograph for 145595 Venture 40-inch actuator body

Actuator-only assembly. Confirm overall travel length and paired motor before replacement.

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Factory part reference Actuator

168956 — 40-inch high-speed Venture actuator

Catalog photograph for 168956 40-inch high-speed Venture actuator

Specified high-speed 18:1 actuator/motor assembly in the historical reference; verify existing speed and length.

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Factory part reference Drive

191072 — Venture replacement gear set, 18:1

Catalog photograph for 191072 Venture replacement gear set, 18:1

Replacement gearbox gear set for the 18:1 family; separate from the 28:1 set 191073.

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Factory part reference Controls

117461 — White slide-out switch kit

Catalog photograph for 117461 White slide-out switch kit

Manufacturer-listed white switch-kit assembly. Match harness polarity and original control configuration.

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Additional through-frame slide-out part numbers

101941 / 328044

Standard and heavy-duty 15-tooth spur gears, respectively; factory specifies 10 DP / 20° pressure angle for these versions.

105892 / 104474

Rear roller shaft and rear roller, chosen only for gear-pack assemblies using that arrangement.

173630 / 117630 / 117606

Cross-shaft kit, outer shaft and inner shaft, respectively. Verify original dimensions and connection style.

143707 / 143710 / 296121

Drive-arm and rack variants. Tooth profile and 15-tooth versus 18-tooth system must be established.

Use the original part numbers and factory drawing when identifying these additional gears, rollers and drive components.

Through-frame slide-out drawings and service manuals

Use the Lippert 2.5 × 2.5 electric through-frame support library, Electric Through-Frame service manual (CCD-0001614) and current owner manual (CCD-0001613). The manufacturer has updated its owner manual, and historical exploded parts sheets may show superseded components. Confirm the serial number and current service parts before purchasing.

Safety: The slide room is heavy, and the gear pack and rack create pinch points. This is a parts-identification page, not instructions to release a loaded actuator or support a room. Use a qualified RV service technician for structural work.

For the different smaller system, see the 2 × 2 electric through-frame parts guide.

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