PRODUCT DETAILS
Liftgate relay,12 volt/30 amp max.. This is an OEM product made by Waltco Liftgate.
NEED ASSISTANCE?
Have your liftgate serial number ready for faster assistance. Where to find it
MODELS USING THIS PART
Note
This part appears in the following parts manuals. Always verify compatibility with your specific liftgate model and serial number before ordering.
Find your model and serial numberFound in
WALTCO WDL SERIES (MODELS 311 326, 401 412)
pre-2000WALTCO RGL / RBGL SERIES (MODELS 352 356, 363, 364, 372 376, 382 386)
pre-2000WALTCO MPF SERIES (MODELS 233/234)
pre-2000WALTCO WSL SERIES (MODELS 273/274)
pre-2000WALTCO MDV
4/2025WALTCO GTSL
11/2016WALTCO GT
9/2015WALTCO GT SERIES & DGS SERIES (MODELS 275 278)
pre-2000SHIPPING AND RETURNS
Shipping Information
Shipping timelines, transit options, and exceptions can vary by part and location. Please review our official policy page for the most current shipping and return details.
View Shipping PolicyReturn Policy
Return eligibility, time windows, and any applicable fees are outlined on our policy page. Policy terms may be updated there, so please refer to that page before placing your order.
View Return Policy
OEM Parts Diagram References
Find this Waltco Liftgate part in original OEM diagrams. Each link opens directly to the matching section in a new tab.
Reference Notice: Manual links are provided for reference only. If you have any doubt, contact us. We’re happy to verify parts and help you purchase with confidence.
85803921 is found in 24 OEM diagram references across 7 Waltco Liftgate manuals.
Waltco RGL / RBGL-Series (Models 352-356, 363, 364, 372-376, 382-386) Parts Manual
pre-2000| Section | Item # | Pages | Link |
|---|---|---|---|
|
dual pump hydraulic and electrical layout
|
18 |
Diagram p73
Table p73
|
Open diagram View |
|
dual pump hydraulic and electrical layout
|
18 |
Diagram p76
Table p76
|
Open diagram View |
|
dual pump hydraulic and electrical layout built from 6 05
|
18 |
Diagram p78
Table p78
|
Open diagram View |
|
single pump and single pump w hand pump hydraulic and electrical layout
|
24 |
Diagram p72
Table p72
|
Open diagram View |
|
single pump and single pump w hand pump hydraulic and electrical layout
|
24 |
Diagram p75
Table p75
|
Open diagram View |
|
single pump hydraulic and electrical layout
|
11 |
Diagram p77
Table p77
|
Open diagram View |
|
single pump hydraulic and electrical layout built 4 05 thru 6 05
|
11 |
Diagram p77
Table p77
|
Open diagram View |
|
single pump hydraulic and electrical layout built from 6 05
|
24 |
Diagram p79
Table p79
|
Open diagram View |
Waltco MPF-Series (Models 233/234) Parts Manual
pre-2000| Section | Item # | Pages | Link |
|---|---|---|---|
|
electric controls
|
8 |
Diagram p13
Table p13
|
Open diagram View |
|
electric controls built from 10 08
|
8 |
Diagram p14
Table p14
|
Open diagram View |
|
mpf hydraulic electric layout
|
20 |
Diagram p11
Table p11
|
Open diagram View |
|
mpf hydraulic electric layout built from 10 08
|
20 |
Diagram p12
Table p12
|
Open diagram View |
Waltco WSL-Series (Models 273/274) Parts Manual
pre-2000| Section | Item # | Pages | Link |
|---|---|---|---|
|
hydraulic and electrical layout built from 4 03
|
13 |
Diagram p23
Table p23
|
Open diagram View |
|
pump box details built from 4 03
|
8 |
Diagram p24
Table p24
|
Open diagram View |
Waltco MDV Parts Manual
4/2025| Section | Item # | Pages | Link |
|---|---|---|---|
|
mdv electrical components
|
10 |
Diagram p16
Table p16
|
Open diagram View |
|
mdv pump box comp
|
23 |
Diagram p17
Table p17
|
Open diagram View |
Waltco GTSL Parts Manual
11/2016| Section | Item # | Pages | Link |
|---|---|---|---|
|
pump and battery box
|
32 |
Diagram p15
Table p15
|
Open diagram View |
Waltco GT Parts Manual
9/2015| Section | Item # | Pages | Link |
|---|---|---|---|
|
pump box
|
32 |
Diagram p15
Table p15
|
Open diagram View |
Waltco GT-Series & DGS-Series (Models 275-278) Parts Manual
pre-2000| Section | Item # | Pages | Link |
|---|---|---|---|
|
pump box
|
26 |
Diagram p37
Table p37
|
Open diagram View |
|
pump box
|
9 |
Diagram p43
Table p43
|
Open diagram View |
|
pump box built 1 09 thru 9 10
|
26 |
Diagram p45
Table p45
|
Open diagram View |
|
pump box built 6 05 thru 1 09
|
26 |
Diagram p44
Table p44
|
Open diagram View |
|
pump box built from 11 08
|
26 |
Diagram p38
Table p38
|
Open diagram View |
|
pump box built from 9 10
|
22 |
Diagram p46
Table p46
|
Open diagram View |
OEM Parts Diagram Images
Browse highlighted diagram images for this part, filtered by liftgate model.
- Gallery
- Description
-
Waltco Liftgate Part Number 85803921 | relay, 12v
Liftgate relay,12 volt/30 amp max.. This is an OEM product made by Waltco Liftgate.