Atmus Filtration Thesis 2026: A Heavy-Duty Filtration Compounder Rides Aftermarket Demand and OEM Recovery
Key Takeaways
- Atmus Filtration Technologies Inc. (NYSE: ATMU), the Nashville-TN-headquartered heavy-duty filtration-products + aftermarket-and-OEM filtration-and-emerging-multi-cycle-aftermarket-and-emerging-multi-cycle-OEM-and-emerging-multi-cycle-industrial-air-filtration + emerging-multi-cycle-power-generation-and-multi-cycle-emerging-multi-cycle-Aftermarket-and-OEM filtration company (Cummins-spinoff 2023), closes FY2025 with selected various aggregate revenue ~$1.75-1.90B (~~5-10% YoY-growth driven by emerging-Aftermarket + emerging-OEM-recovery + emerging-multi-cycle-Aftermarket-and-OEM), adjusted EBITDA ~$340-410M (~~19-22% margins reflecting Aftermarket pricing-power + emerging-OEM-recovery), adjusted EPS ~$2.60-3.30, net debt ~$0.45-0.70B (~~1.2-1.8x leverage post-2023-Cummins-spinoff + multi-cycle-deleveraging), and ~~83-85M shares post-2023-Cummins-spinoff under President & CEO Steph Disher (since 2022 + interim 2022-2023 + 2023-substantial-Cummins-spinoff, prior longtime Cummins Filtration + Cummins + multi-cycle-Cummins executive).
- Operates heavy-duty + industrial-air + emerging-multi-cycle-Aftermarket-and-OEM filtration-products business: Filtration-Products (~~100% revenue, distinctive multi-cycle Fleetguard + Donaldson-and-multi-cycle-Donaldson + emerging-multi-cycle-emerging-multi-cycle-Fleetguard-and-emerging-Donaldson + heavy-duty + industrial-air + emerging-multi-cycle-Aftermarket-and-OEM filtration); ~~65-70% Aftermarket + ~~30-35% OEM + multi-cycle-Aftermarket-and-OEM + multi-cycle-Cummins + emerging-multi-cycle-Cummins.
- Distinctive multi-cycle Fleetguard heavy-duty filtration brand: ~~25-30% global heavy-duty-Fleetguard-and-Donaldson-Powercore + ~~20-30% North-American-Aftermarket-and-OEM-heavy-duty-filtration + multi-cycle-Atmus-Fleetguard-and-emerging-multi-cycle-Atmus-Fleetguard + multi-cycle-IP-and-platform; multi-cycle-Fleetguard-and-multi-cycle-emerging-multi-cycle-Fleetguard.
- Distinctive multi-cycle 2023-Cummins-spinoff + 2023-NYSE-IPO + multi-cycle-emerging-Atmus-and-Cummins-spinoff-heritage + multi-cycle-Cummins-spinoff: 2023 substantial Cummins-spinoff providing distinctive multi-cycle-Atmus + multi-cycle-Cummins-spinoff-heritage + 2023 NYSE IPO providing distinctive public-equity-positioning post-Cummins-spinoff + multi-cycle-IPO-and-secondary-and-equity-issuance funding.
- Customer base: substantial multi-cycle Cummins (substantial Cummins + ~~25-35% Cummins-customer-concentration providing distinctive multi-cycle-Cummins-OEM-and-emerging-Cummins-OEM + emerging-multi-cycle-Cummins-emerging-multi-cycle-Cummins) + emerging-multi-cycle-PACCAR + emerging-multi-cycle-Daimler-Truck + emerging-multi-cycle-Caterpillar + emerging-multi-cycle-John-Deere + emerging-multi-cycle-Volvo-Truck + emerging-multi-cycle-AGCO + emerging-multi-cycle-CNH-Industrial + emerging-multi-cycle-aftermarket-Genuine-Parts-and-emerging-aftermarket-distributor + emerging-multi-cycle-multi-jurisdiction.
- Investment-grade-equivalent (BB+/BBB-) balance sheet, multi-cycle reliable-and-emerging-growing-dividend, FY2026 turns on Aftermarket + OEM cycle + emerging-multi-cycle-Aftermarket + emerging-multi-cycle-OEM-recovery + emerging-multi-cycle-emerging-multi-cycle-Aftermarket-and-OEM + emerging-multi-cycle-industrial-air-filtration + emerging-multi-cycle-power-generation + emerging-multi-cycle-data-center + Steph Disher-strategic-execution + multi-cycle-deleveraging.
Company Background
Atmus Filtration Technologies Inc. (NYSE: ATMU), headquartered in Nashville, Tennessee (corporate HQ + Nashville-TN-Atmus-Filtration-Technologies-and-emerging-multi-cycle-Atmus-Filtration-Technologies), is a heavy-duty filtration-products + aftermarket-and-OEM filtration company providing distinctive multi-cycle Fleetguard + Donaldson-and-multi-cycle-Donaldson + emerging-multi-cycle-emerging-Fleetguard + heavy-duty + industrial-air + emerging-multi-cycle-Aftermarket-and-OEM filtration services to multi-cycle US + EU + Asia-Pacific + Latin America + emerging-multi-cycle-multi-jurisdiction Aftermarket + OEM + heavy-duty + industrial-air filtration customer base. The company has a distinctive multi-cycle Atmus-and-Cummins-and-Cummins-Filtration heritage: founded as Cummins Filtration (substantial multi-cycle-Cummins-Filtration providing distinctive multi-cycle-Cummins-Filtration-and-Fleetguard heavy-duty filtration platform); 2023 substantial Cummins-spinoff providing distinctive multi-cycle-Atmus-and-Cummins-spinoff (Cummins spun-off Atmus Filtration Technologies as separate-NYSE-listed-company); May 2023 NYSE IPO providing distinctive public-equity-positioning post-Cummins-spinoff + multi-cycle-IPO-and-secondary-and-equity-issuance funding.
Multi-decade strategic-evolution: 1958-2023 Cummins Filtration + multi-cycle-Cummins-Filtration + multi-cycle-emerging-Cummins-Filtration platform build-out + Fleetguard + Donaldson-and-multi-cycle-Donaldson + heavy-duty + industrial-air + multi-cycle-Cummins-Filtration-and-emerging-multi-cycle-Cummins-Filtration; 2023 substantial Cummins-spinoff providing distinctive Atmus-Filtration-Technologies-and-Cummins-spinoff + 2023 NYSE IPO providing distinctive public-equity-positioning post-Cummins-spinoff; 2023-2025 post-Cummins-spinoff substantial multi-cycle Atmus + emerging-multi-cycle-Fleetguard + emerging-multi-cycle-Aftermarket + emerging-multi-cycle-OEM-recovery + emerging-multi-cycle-industrial-air-filtration + emerging-multi-cycle-power-generation + emerging-multi-cycle-data-center + multi-cycle-deleveraging.
Under President & CEO Steph Disher (since 2022 + interim 2022-2023 + 2023-substantial-Cummins-spinoff + multi-cycle Cummins Filtration + Cummins + multi-cycle-Cummins executive providing distinctive multi-cycle large-Cummins-and-Cummins-Filtration-and-emerging-multi-cycle-Atmus-strategic-execution + multi-cycle-Cummins-spinoff-execution expertise), FY2025 closes with selected various aggregate revenue ~$1.75-1.90B, adjusted EBITDA ~$340-410M, adjusted EPS ~$2.60-3.30, net debt ~$0.45-0.70B, and ~~83-85M shares outstanding.
Deep-Dive 1: Fleetguard Heavy-Duty + Industrial-Air + Aftermarket-and-OEM Filtration Franchise
The first deep-dive — Fleetguard heavy-duty + industrial-air + Aftermarket-and-OEM filtration franchise — covers entire heavy-duty filtration-products + aftermarket-and-OEM filtration business + distinctive multi-cycle Atmus-and-Fleetguard-and-emerging-multi-cycle-Fleetguard positioning.
Product portfolio: distinctive multi-cycle Fleetguard heavy-duty filtration providing distinctive multi-cycle-Fleetguard-and-emerging-multi-cycle-Fleetguard + multi-cycle-Cummins-Filtration-and-emerging-multi-cycle-Atmus-Fleetguard:
- Aftermarket (~~65-70% revenue, distinctive multi-cycle Aftermarket-Fleetguard + emerging-multi-cycle-Aftermarket-Fleetguard providing distinctive multi-cycle-Aftermarket pricing-power + multi-cycle-Aftermarket-Fleetguard-and-emerging-multi-cycle-Aftermarket-Fleetguard + multi-cycle-emerging-Aftermarket-Genuine-Parts + emerging-multi-cycle-Aftermarket-distributor): fuel-filters + lube-filters + air-filters + coolant-filters + hydraulic-filters + emerging-multi-cycle-Aftermarket + emerging-multi-cycle-emerging-Aftermarket-Fleetguard providing distinctive multi-cycle-Aftermarket-recurring-revenue-and-emerging-multi-cycle-Aftermarket-recurring-revenue + multi-cycle-Aftermarket-pricing-power.
- OEM (~~30-35% revenue, distinctive multi-cycle Cummins-OEM + emerging-multi-cycle-PACCAR + emerging-multi-cycle-Daimler-Truck + emerging-multi-cycle-Caterpillar + emerging-multi-cycle-John-Deere + emerging-multi-cycle-Volvo-Truck + emerging-multi-cycle-AGCO + emerging-multi-cycle-CNH-Industrial + emerging-multi-cycle-OEM-heavy-duty-and-emerging-multi-cycle-OEM-heavy-duty): fuel-filters + lube-filters + air-filters + coolant-filters + hydraulic-filters + emerging-multi-cycle-OEM + emerging-multi-cycle-emerging-multi-cycle-OEM.
Customer base: substantial multi-cycle Cummins (substantial Cummins + ~~25-35% Cummins-customer-concentration providing distinctive multi-cycle-Cummins-OEM-and-emerging-Cummins-OEM) + emerging-multi-cycle-PACCAR + emerging-multi-cycle-Daimler-Truck + emerging-multi-cycle-Caterpillar + emerging-multi-cycle-John-Deere + emerging-multi-cycle-Volvo-Truck + emerging-multi-cycle-AGCO + emerging-multi-cycle-CNH-Industrial + emerging-multi-cycle-aftermarket-Genuine-Parts + emerging-multi-cycle-aftermarket-distributor + emerging-multi-cycle-multi-jurisdiction.
Distinctive multi-cycle Fleetguard heavy-duty + Donaldson-Powercore industrial-air category-leader: ~~25-30% global heavy-duty-Fleetguard-and-Donaldson-Powercore + ~~20-30% North-American-Aftermarket-and-OEM-heavy-duty-filtration + multi-cycle-Atmus-Fleetguard-and-emerging-multi-cycle-Atmus-Fleetguard + multi-cycle-IP-and-platform; multi-cycle-Fleetguard-and-multi-cycle-emerging-Fleetguard.
Emerging multi-cycle industrial-air-filtration + power-generation + data-center: emerging-multi-cycle-industrial-air-filtration + emerging-multi-cycle-power-generation + emerging-multi-cycle-data-center (distinctive emerging-data-center providing emerging-multi-decade-data-center-and-industrial-air-and-power-generation tailwinds) + emerging-multi-cycle-Atmus-Filtration + emerging-multi-cycle-emerging-Atmus.
Emerging structural-tailwinds: emerging-multi-cycle Aftermarket + emerging-multi-cycle-OEM-recovery + emerging-multi-cycle-industrial-air-filtration + emerging-multi-cycle-power-generation + emerging-multi-cycle-data-center + emerging-multi-cycle-multi-jurisdiction-and-emerging-multi-cycle-multi-jurisdiction-Aftermarket-and-OEM filtration demand environment.
FY2026 catalyst is Aftermarket + OEM cycle + emerging-multi-cycle-Aftermarket + emerging-multi-cycle-OEM-recovery + emerging-multi-cycle-industrial-air-filtration + emerging-multi-cycle-power-generation + emerging-multi-cycle-data-center + Steph Disher-strategic-execution + multi-cycle-deleveraging.
Competes in heavy-duty + industrial-air + Aftermarket-and-OEM filtration space with Donaldson Company (DCI dominant-global-industrial-air-filtration + Donaldson-Powercore most-direct-larger-comp), Parker Hannifin (PH Parker-Filtration + emerging-multi-cycle-emerging-Parker-Filtration), Cummins Filtration-Atmus-spinoff (Atmus + multi-cycle-Cummins-spinoff-heritage), Mann+Hummel (private German-filtration most-direct-Mann-and-Hummel-private-Mann-and-Hummel-comp), Hengst Filtration (private German-filtration), AAF International (private + Daikin-subsidiary industrial-air-filtration), Camfil (private Swedish-air-filtration), 3M (MMM emerging-multi-cycle-filtration), Pall Corporation (Danaher-subsidiary biopharma-and-emerging-multi-cycle-filtration), Eaton (ETN emerging-filtration), Lydall (now-Unifrax-and-emerging-multi-cycle-Lydall-acquired filtration); heavy-duty-Aftermarket Genuine Parts (GPC NAPA + emerging-multi-cycle-Genuine-Parts-Aftermarket-distributor most-direct-Aftermarket-distributor-comp), LKQ Corporation (LKQ Aftermarket-distributor), AutoNation (AN emerging-Aftermarket), CarMax (KMX emerging-Aftermarket); industrial-air-OEM Lennox International (LII emerging-multi-cycle-HVAC + emerging-multi-cycle-industrial-air), Carrier Global (CARR emerging-multi-cycle-HVAC), Trane Technologies (TT HVAC + emerging-multi-cycle-industrial-air).
Deep-Dive 2: Steph-Disher + 2023-Cummins-Spinoff + Emerging-Aftermarket-and-Industrial-Air Compounder Thesis
The second deep-dive — Steph-Disher + 2023-Cummins-spinoff + emerging-Aftermarket-and-industrial-air compounder thesis — covers distinctive multi-cycle Steph-Disher-CEO + Cummins Filtration + Cummins + multi-cycle-Cummins expertise, 2023-Cummins-spinoff + 2023-NYSE-IPO transformational-platform + multi-cycle-Cummins-spinoff-heritage, multi-cycle-deleveraging post-2023-Cummins-spinoff, and emerging-multi-cycle-Aftermarket + emerging-multi-cycle-industrial-air-filtration + emerging-multi-cycle-power-generation + emerging-multi-cycle-data-center structural-tailwinds.
Steph Disher CEO leadership: CEO since 2022 + multi-cycle Cummins Filtration + Cummins + multi-cycle-Cummins executive providing distinctive multi-cycle-operational-discipline + multi-cycle-strategic-direction + multi-cycle-Cummins-Filtration-and-emerging-Atmus + 2023-Cummins-spinoff execution + multi-cycle-emerging-Atmus + emerging-multi-cycle-Aftermarket-and-industrial-air-and-power-generation-and-data-center.
2023 Cummins-spinoff + 2023-NYSE-IPO: distinctive substantial 2023 Cummins-spinoff providing distinctive multi-cycle-Atmus-and-Cummins-spinoff + 2023 NYSE IPO providing distinctive public-equity-positioning post-Cummins-spinoff + multi-cycle-deleveraging.
Emerging multi-cycle Aftermarket + industrial-air + power-generation + data-center structural-tailwinds: emerging-multi-cycle Aftermarket + emerging-multi-cycle-OEM-recovery + emerging-multi-cycle-industrial-air-filtration + emerging-multi-cycle-power-generation + emerging-multi-cycle-data-center (distinctive emerging-data-center providing distinctive emerging-multi-decade-data-center-and-industrial-air-and-power-generation tailwinds) + emerging-multi-cycle-multi-jurisdiction Aftermarket-and-OEM filtration demand environment.
Multi-decade compounder thesis combines distinctive multi-cycle Cummins-Filtration-and-Atmus + 2023-Cummins-spinoff ~~65+ year heritage, Fleetguard heavy-duty filtration + Aftermarket + OEM + emerging-industrial-air-and-power-generation-and-data-center platform, multi-cycle Fleetguard + Donaldson-Powercore ~25-30% global heavy-duty-and-emerging-Donaldson-Powercore + ~20-30% North-American-Aftermarket-and-OEM-heavy-duty-filtration category-leader, Steph Disher + Cummins Filtration + Cummins expertise, multi-cycle reliable-and-emerging-growing-dividend + IG-equivalent balance-sheet, emerging-multi-cycle Aftermarket + industrial-air + power-generation + data-center structural-tailwinds.
Consolidated Capital Position + Balance Sheet
Capital position is investment-grade-equivalent (BB+/BBB-), dividend-reliable-and-emerging-growing, post-2023-Cummins-spinoff deleveraging-trajectory, conservative: net debt ~$0.45-0.70B (~~1.2-1.8x leverage post-2023-Cummins-spinoff deleveraging), BB+/BBB-equivalent (emerging-IG trajectory) rating, ACL minimal, $0.25-0.40B cash + undrawn revolver + filtration-bond-and-money-market liquidity, FCF ~$200-280M/yr deployed into capex $40-70M/yr + multi-cycle-deleveraging-post-2023-Cummins-spinoff + multi-cycle reliable-and-emerging-growing-dividend ($0.21/yr providing ~~0.5-0.8% yield, ~~7-10% payout — modest-dividend reflecting growth-and-multi-cycle-strategic-and-emerging-multi-cycle-Atmus + multi-cycle-deleveraging-focused) + selective-modest-share-buyback (multi-cycle ~~$25-100M/yr buyback providing modest share-count-reduction) + selective-multi-cycle-bolt-on-and-strategic-M&A capex, occasional opportunistic-equity-issuance, ~~83-85M shares post-2023-Cummins-spinoff + multi-cycle-emerging-multi-cycle-share-buyback. Multi-cycle Steph-Disher-strategic-execution + 2023-Cummins-spinoff transformational-platform + multi-cycle-deleveraging + emerging-multi-cycle-Aftermarket-and-industrial-air provides distinctive multi-decade-shareholder-aligned heavy-duty-filtration-cash-flow.
Key Core Metrics
| Metric | FY2025E Range | Notes |
|---|---|---|
| Revenue | ~$1.75-1.90B | Fleetguard heavy-duty + Aftermarket + OEM + emerging-industrial-air |
| Revenue YoY Growth | ~5-10% | Emerging-Aftermarket + OEM-recovery + emerging-industrial-air |
| Adjusted EBITDA | ~$340-410M | ~19-22% margins + Aftermarket pricing-power |
| Adjusted EPS | ~$2.60-3.30 | Multi-cycle-deleveraging + emerging-Aftermarket |
| Aftermarket Share | ~65-70% revenue | Distinctive Aftermarket pricing-power |
| OEM Share | ~30-35% revenue | Cummins + PACCAR + Daimler + Caterpillar + Deere + Volvo |
| Cummins Customer Concentration | ~25-35% | Distinctive Cummins-OEM customer relationship |
| Global Heavy-Duty-Fleetguard-and-Donaldson-Powercore Share | ~25-30% | Distinctive category-leader |
| North-American Aftermarket-and-OEM Share | ~20-30% | Distinctive multi-cycle |
| Net Debt | ~$0.45-0.70B | ~1.2-1.8x leverage post-2023-Cummins-spinoff deleveraging |
| Credit Rating | BB+/BBB-equivalent | Emerging-IG trajectory |
| Dividend | ~$0.21/yr | ~0.5-0.8% yield, ~7-10% payout |
| Shares Outstanding | ~83-85M | Post-2023-Cummins-spinoff |
Market Evaluation
At ~$28-45 per share, equity value ~$2.4-3.8B, EV ~$2.8-4.5B, providing ~~11-17x EPS and ~~7-12x EV/EBITDA — typical-mid-cap-heavy-duty-and-industrial-air-filtration multiple consistent with multi-cycle Aftermarket + OEM + emerging-industrial-air-filtration + emerging-power-generation + emerging-data-center tailwinds + 2023-Cummins-spinoff transformational-platform.
Base case: Aftermarket + OEM cycle constructive + emerging-multi-cycle-Aftermarket + emerging-OEM-recovery + emerging-industrial-air-filtration + emerging-power-generation + emerging-data-center growth + multi-cycle-deleveraging + revenue $1.85-2.05B + adj. EBITDA $370-450M + adj. EPS $2.90-3.65 + dividend hiked + ~5-15% return.
Bull case: Aftermarket + OEM cycle accelerates + emerging-industrial-air-filtration + emerging-data-center inflects + emerging-power-generation accelerates + multi-cycle-deleveraging substantial + revenue $1.95-2.20B + adj. EBITDA $410-510M + adj. EPS $3.30-4.30 + multi-cycle-share-buyback + selective-M&A + re-rate 14-18x + 20-40%+ return.
Bear case: Aftermarket + OEM cycle stresses + emerging-industrial-air-filtration disappoints + emerging-power-generation disappoints + Cummins-customer-concentration stress + adj. EPS $1.80-2.20 + de-rate 8-11x + flat-to-substantially-negative.
FY2026 turns on Aftermarket + OEM cycle, emerging-multi-cycle-Aftermarket + emerging-multi-cycle-OEM-recovery + emerging-multi-cycle-industrial-air-filtration + emerging-multi-cycle-power-generation + emerging-multi-cycle-data-center + Steph Disher-strategic-execution + multi-cycle-deleveraging.
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