If you’re shopping for BW 44-45 transfer case fluid or compatible options, this guide highlights five solid choices and how they fit different vehicle setups. This selection covers OEM-recommended fluids, conventional blends, and high-performance synthetic options. Ideal buyers include DIY enthusiasts maintaining BorgWarner-based transfer cases, owners seeking multi-vehicle compatibility, and drivers needing reliable cold-weather performance.
| Product | Brand | Best For | Notes |
|---|---|---|---|
| Two Quarts Of Transfer Case Lubricant For BorgWarner Units New Mopar OEM | Mopar Store | OEM BorgWarner units, single-vehicle maintenance | Direct OEM spec, reliable for Mopar vehicles |
| Valvoline Multi-Vehicle (TCF) Conventional Transfer Case Fluid 1 QT (Pack of 2) | Valvoline Store | Multi-vehicle AWD/4WD fleets | Conventional with anti-wear tech |
| Mopar One Quart of Transfer Case Lubricant for BorgWarner Units New OEM | Mopar Store | BorgWarner units needing OEM fluid | OEM compatibility, compact package |
| TRIAX DTF-1 Professional Transfer Case Fluid Full Synthetic (1 Quart) | Triax Store | High performance AWD/4×4, cold weather | Lifetime fill, broad European/US compatibility |
| Slippery Pete Fluid Pump for Gallon Bottles and Wide Mouth Quart Bottles | Slippery Pete Store | Fluid transfer convenience for large containers | Auxiliary pump; not a fluid |
Two Quarts Of Transfer Case Lubricant For BorgWarner Units

Best for: Owners of BorgWarner-based transfer cases who want an OEM-grade fluid matched to Mopar installations. This option is a straightforward, factory-aligned choice that aligns with BorgWarner performance expectations. Advantage: direct compatibility with many Mopar/BorgWarner setups.
Caution: Availability and exact specification can vary by model year. Verify fits your specific BorgWarner unit before purchase.
Valvoline Multi-Vehicle Transfer Case Fluid 1 QT

Best for: Fleets or households with multiple AWD/4WD vehicles needing a versatile, multi-vehicle solution. The product pack provides two quarts for convenient top-ups across different units. Advantage: anti-wear tech and reduced foam help extend fluid life in demanding conditions.
Limitation: As a conventional fluid, it may not offer the same long-term high-temperature stability as full-synthetic options in extreme duty cycles.
Mopar One Quart Of Transfer Case Lubricant For BorgWarner Units

Best for: Vehicle owners with BorgWarner transfer cases who prefer OEM Mopar fluid. It ensures compatibility with classic BorgWarner designs commonly found in Jeep and Dodge platforms. Advantage: straightforward OEM backing and proven track in Mopar deployments.
Limitation: May be limited to specific BorgWarner configurations; confirm fit for non-Mopar vehicles with BorgWarner units.
TRIAX DTF-1 Professional Transfer Case Fluid Full Synthetic

Best for: Enthusiasts needing peak performance across diverse AWD/4×4 systems, including high-torque, high-speed operations. It supports multiple European, Asian, and US OEMs. Advantage: Lifetime fill in sealed transfer cases and excellent cold-weather performance.
Caution: This is a high-end synthetic with broad compatibility; ensure your vehicle’s seals and case design align with extended performance claims.
Slippery Pete Pump For Gallon And Wide Mouth Bottles

Best for: Buyers who routinely handle gallon or wide-mouth quart bottles and want a convenient transfer solution. Advantage: 30cc per stroke efficiency and compatible threading for most gallon containers.
Limitation: Not a fluid itself; must be paired with suitable transfer fluids and containers.
Buying Guide: Key Considerations For BW 44-45 And Similar Transfer Cases
What should you check before buying transfer case fluid? Start with compatibility. Confirm the unit’s OEM recommendations and whether your vehicle uses BorgWarner or another design. Check viscosity and additive packages aligned with cold-weather performance and high-torque operation.
Do you need a conventional or synthetic fluid? Conventional blends often suffice for everyday use and cost efficiency, while full synthetic fluids provide better oxidation resistance and temperature stability in extreme conditions. Consider your climate, driving style, and maintenance schedule.
How much fluid do you need? Bag enough to perform the full service interval and keep a reserve for top-offs. OEMs typically specify a fill amount for a given transfer case model; if you’re unsure, consult the service manual or trusted automotive references.
Is multi-vehicle compatibility important? If you manage several AWD/4WD vehicles, a multi-vehicle fluid can simplify purchases, but verify that the fluid meets each vehicle’s requirements.
What about installation tools and accessories? Some products pair well with transfer fluid pumps or funnels to minimize spills. Ensure you have the right pump or pump accessory if you anticipate frequent refills or reseals.
FAQ
- What is BW 44-45 transfer case fluid? It refers to lubricants formulated for BorgWarner-based transfer cases like the BW 44-45 family, designed to protect gears and bearings under four- and all-wheel drive conditions.
- Should I use OEM Mopar fluid for BorgWarner units? Yes if your vehicle uses Mopar/BorgWarner configurations and OEM compatibility is recommended by the manufacturer.
- Can I mix synthetic and conventional fluids? Mixing is generally not advised. Use a single fluid type aligned with your vehicle’s specification.
- Is a multi-vehicle fluid suitable for all transfer cases? It can cover many models, but confirm it meets the exact requirements of each unit in your fleet or vehicle lineup.
- Is synthetic transfer case fluid better in cold weather? Yes, synthetic formulas typically offer better cold-temperature performance and quicker lubrication on startup.
- What maintenance steps accompany a fluid change? Drain the old fluid, clean the drain plug and screen if applicable, refill to the recommended level, and check for leaks after operation.