The following guide compares top intake grid heater upgrades, gaskets, and related components for diesel trucks. Below is a quick snapshot of the selected products to help you scan options before reading detailed sections.
| Product | Brand | Primary Use |
|---|---|---|
| Banks Power 42798-PC Monster-Ram Intake | Banks Power | Intake flow upgrade / grid heater replacement |
| Banks Power 42799-PC Monster-Ram Intake | Banks Power | Intake airflow and distribution optimization |
| AP0058 Intake Heater Grid Gasket Set 3969988 | Karbay | Replacement graphite gaskets for Cummins |
| HABIIID AP0058 Graphite Intake Gaskets | HABIIID | Aftermarket intake heater grid gasket set |
| MOTOALL Relay Solenoid Air Intake Heater Grid | MOTOALL | Replacement relay/solenoid for intake heater control |
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Banks Power 42798-PC Monster-Ram Intake
This Banks Power unit is presented as an intake upgrade that also addresses the grid heater area. According to the listed features it outflows stock over 88.3%, which implies a substantial increase in volumetric airflow compared to the factory intake. The product is designed to improve the flow of oxygen-rich air into cylinders and optimize air pressure and distribution.
Practical application: this model targets users seeking improved intake efficiency and distribution across cylinders. Compatibility, installation complexity, and whether additional tuning or hardware changes are needed depend on the vehicle and supporting systems. This product is positioned as an airflow upgrade with benefits for combustion consistency when properly matched to engine management.
Banks Power 42799-PC Monster-Ram Intake
The 42799-PC variant follows the same product family and is described with the same core benefits: higher outflow relative to stock (over 88.3%), improved oxygen-rich air flow to cylinders, and optimized air pressure distribution. Differences between Banks Power SKUs often relate to fitment, minor inlet design, or package content; verify the part number for your application before purchase.
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Use case: this option is appropriate for owners who want the Monster-Ram styling and flow profile but must ensure fitment to their manifold or turbo geometry. As with other intake upgrades, complementary checks include intake tract clearances, couplers, and any required throttle or sensor relocations.
AP0058 Intake Heater Grid Gasket Set 3969988
The AP0058 Intake Heater Grid Gasket Set (part number 3969988) is intended as a direct replacement for intake heater grid gaskets on classic Cummins 5.9L applications covering many 1989–2006 models. The package includes **two** intake heater grid gaskets per listing and lists cross references to MS 97248.
Key considerations: this gasket set is tailored for fitment on specific B-Series and ISB engines (12-valve, VP44, common rail eras). When replacing intake heater grid gaskets, match the part number and confirm the engine variant. Proper gasket selection helps preserve sealing around the intake grid heater area to prevent vacuum leaks or exhaust/fuel contamination.
HABIIID AP0058 Graphite Intake Gaskets
HABIIID offers an aftermarket graphite intake heater grid gasket set described as a direct replacement for part numbers 3969988 and AP0058. The listing specifies each package contains four pieces and notes compatibility with Cummins 5.9L engines from 1989–2007, covering both 12V and 24V variants.
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Material and design: graphite gaskets resist heat and conform to surface irregularities, which can reduce the risk of intake leaks around grid heaters. For engines with aging intake surfaces or repeated service, upgraded gasket materials can simplify reassembly and longevity. Ensure you confirm the quantity required for your grid assembly before ordering.
MOTOALL Relay Solenoid Air Intake Heater Grid
This MOTOALL unit is a replacement relay/solenoid for intake heater grid control systems used on certain Dodge Ram diesel trucks. The product lists cross-replacements such as Chrysler #68188401AA, and compatible Cummins numbers like 3924594 and 396998, and notes fitment for 1994–2002 Dodge Ram 2500 models with diesel engines.
Function: the relay/solenoid governs power or vacuum control to the intake heater grid assembly depending on system architecture. Replacing a failing relay can restore correct heater grid operation and ensure the engine receives intended intake air heating during cold conditions. Verify OEM cross-references and electrical connector compatibility before installation.
Buying Guide: How To Choose The Right Intake Grid Heater Component
Selecting the appropriate intake grid heater component depends on intended function, vehicle compatibility, and the specific failure mode. Below are the primary considerations to evaluate before purchase.
1. Identify The Component Type You Need
- Intake Flow Upgrades (Banks Power Monster-Ram): These are designed to increase airflow and improve distribution; beneficial for performance modifications or to replace restrictive factory pieces.
- Gasket Sets (AP0058, HABIIID): Use when replacing the intake heater grid gasket to stop leaks, prevent vacuum loss, or when reassembling the intake grid after service.
- Relay/Solenoid Replacements (MOTOALL): Required if the heater grid control fails electrically or if there is a power delivery issue to the heater or vacuum control components.
2. Verify Fitment And Part Numbers
- Match OEM part numbers (e.g., 3969988 / AP0058) or cross-reference lists in your vehicle service manual.
- For Banks Power intake parts, check that the SKU fits your manifold, turbo inlet size, and any sensors.
- Relays and solenoids must match electrical connectors and mounting points; verify cross-replacement numbers provided by the seller.
3. Material And Durability
- Graphite gaskets provide heat resistance and conformability which helps in irregular surfaces—ideal for engines with wear.
- Aftermarket gasket quality can vary; consider brands with clear cross-references and multiple-piece kits if your application needs more than one gasket.
- Relays and solenoids should match OEM durability specs and, where available, list compatible part numbers for assurance.
4. Performance vs. OEM Replacement Tradeoffs
- Performance intakes (Banks Power) often increase flow but may change intake noise, require additional space, or affect sensor locations.
- OEM-style gasket sets and relays prioritize restoration of factory operation and sealing rather than increased airflow.
- Decide if you want a like-for-like repair (gaskets/relay) or a performance upgrade (intake) and plan complementary modifications accordingly.
5. Installation Considerations
- Gasket replacement typically requires intake grid removal, surface cleaning, and torqueing to spec; replace all gasket surfaces as recommended.
- Intake upgrades may require couplers, clamps, or tuning; consult installation instructions and check sensor clearances.
- Relays and solenoids often require basic electrical checks—verify fuses, wiring harness condition, and connector security.
6. Warranty, Support, And Seller Information
- Check brand warranty and technical support details when available; some gasket manufacturers offer multi-year coverage.
- Aftermarket parts vary in documentation quality—prefer listings that cite OEM cross-reference numbers and clear compatibility notes.
7. Comparison Perspectives
- Cost-Efficiency: For straightforward repairs, gasket sets or relays are often the most economical option while restoring factory performance.
- Performance Gains: Intake upgrades focus on increased airflow and distribution; benefits depend on broader engine modifications such as turbo size and fueling.
- Reliability: OEM cross-referenced gasket and relay replacements prioritize reliability over incremental power gains.
- Complexity: Intake upgrades may be more complex to install and integrate; gasket or relay swaps are typically less invasive.
Final selection should be based on the root cause (seal failure, electrical fault, or desire for improved airflow), exact engine model and year, and how the component will interact with existing modifications. Always cross-check part numbers and installation guidance for safe, effective repairs or upgrades.
Tips for Getting the Best HVAC Prices
- Prioritize Quality Over Cost
The most critical factor in any HVAC project is the quality of the installation. Don’t compromise on contractor expertise just to save money. - Check for Rebates
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Request at least three estimates before making your choice. You can click here to get three free quotes from local professionals. These quotes include available rebates and tax credits and automatically exclude unqualified contractors. - Negotiate Smartly
Once you've chosen a contractor, use the proven strategies from our guide — How Homeowners Can Negotiate with HVAC Dealers — to get the best possible final price.